130 algae killer on offer(Disclaimer)
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➤ Current offers in price comparison
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➤ Versatile options always in focus
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➤ Last checked on 12.10.2026
Filter
32% discount
API MARINE ALGAEFIX Algae Control 16-Ounce Bottle
Contains one (1) API MARINE ALGAEFIX Algae Control 16-Ounce Bottle
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15% discount
FUMAK Aquarium Filter with U - V Clarifier for Green Water Cleaning | Fish Tank Filter to Remove Al-gae | Green Killing Machine | Aeration/Rainfall Mode | with Timer | Turtle Tank Filter (10-30Gal)
PERFORMANCE - Power 3.5 Watt, Max Flow 130 GPH, Max lift 2.5 Feet, this aquarium filter efficiently cleans and oxygenates your aquarium. It clears green water while boosting circulation, creating a healthier environment for fish and plants.
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15% discount
COOSPIDER Aquarium Filter with 6W U-V Light 158GPH for 10-45 Gallon Tank
COOSPIDER
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12% discount
Salifert Flatworm eXit Aquarium Treatment - 10ml/300 Gallons
The flatworm exit is effective in removing flatworms
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10% discount
Small Pond Filter for 75-300 Gallon Tank, Aquarium U-V Filter Green Clean Machine Submersible Powerful Pump Canister Filter 600GPH for Fish Turtle Tank Saltwater Freshwater Crystal Clear Green Killing
CRYSTAL CLEAR - Turns CLOUDY and GREEN water crystal clear in 3-7 days. The larger the fish tank, the longer it takes. Reduce the number of water changes in the fish tank.
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12% discount
Seachem Cupramine Copper 100ml (Pack of 2)
The information below is per-pack only
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6% discount
OXYFUL 55W Non-Submersible UV Ultraviolet 27" Light Clarifier Lamp Filter for Aquarium Koi Pond Fish Tank
STABILIZE YOUR ECOSYSTEM - Removes the toughest grime in your Saltwater Reef Tank, Freshwater Aquarium, or Pond. Simple to achieve crystal clear water by keeping Nitrate levels down
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6% discount
API Aqua Essentials 64oz
Contains one (1) API AQUA ESSENTIAL Water Conditioner 16 ounce bottle; treats up to 18,900 U.S. Gallons
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6% discount
Copper Power (Endich) ACP0016B Blue Treatment for Marine Fish, 16-Ounce
Package Length: 1.0"L
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6% discount
Large Hang on Back Aquarium Filter w/ U-V Light for 40-150 Gallon Fish Tank
【PACKAGE CONTENTS】:Main Filter Unit, U-V Light, Rich Filter Media Set (Reusable Activated Carbon, Reusable Ceramic Balls, Reusable Filter Sponge, Reusable 2× Filter Socks), Nice Packaging Box
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6% discount
COOSPIDER Aquarium Filter with 9W U-V Light 600GPH for 100-500 Gallon Tank
SEPARATE SWITCHES - Control the water pump and fish tank light separately. When you only want to use the aquarium filter function, you can turn off the fish tank U-V light separately
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Bio-Cide International
Powerful and Proven Pathogen Control with Chlorine Dioxide Chemistry: Oxine Animal Health (AH) is a high-performance disinfectant formulated with chlorine dioxide to eliminate odors and control a wide spectrum of harmful microorganisms, including over 60 viruses, bacteria such as Salmonella, Staphylococcus, and E. coli, as well as fungi and Parvovirus, making it a trusted solution in livestock operations, poultry farms, animal boarding facilities, veterinary hospitals, and more.
free delivery
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Fritz Aquatics Pond - Algae Clean Out Algaecide - 16oz
Epa registered algaecide for ponds and water gardens
free delivery
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Pristine Blue ASQTC AlgaeShield (1 qt)
Earth Science Laboratories
free delivery
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Blue Life Reef Flux 7000MG
Indicated for use on ornamental aquariums and fish, is NOT FOR HUMAN USE and not to be used to treat fish intended for human consumption In case of accidental tank overdose, the medication can be removed using Clear Fx Pro.
free delivery
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Seachem Flourish Excel 2 L / 67.6 fl. oz.
Organic carbon for the planted aquarium
free delivery
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Seachem Flourish Excel 500 Milliliter Bottles (4 Pack)
Seachem
free delivery
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Aqua Ultraviolet 15 watt Classic Replacement Lamp A20015
Replacement 15 watt quartz UV bulb lamp
free delivery
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API Pond ACCU-Clear (1 Gallon) Water Clarifier - Improves Filter Efficiency
Contains one (1) API POND ACCU-CLEAR Pond Water Clarifier 1-Gallon Bottle
free delivery
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Tetra Pond Block Controls Algae In Ornamental Fish Ponds, 50 Count
CONTROLS ALGAE: Prevents algae growth in ornamental water fountains and ponds
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THE 2HR AQUARIST APT Fixlite for Planted Aquarium Tanks (500ml)
Drain water and drip on hardscape to keep it clean.
free delivery
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Tetra 77188 Algae Control Treats 36000 gallons, 101.4-Ounce
CONTROLS ALGAE: Liquid formula combats algal blooms that cause green water, string and hair algae and blanket weed.
free delivery
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Seachem Flourish Excel, 2 Liter
Liquid nutrient for lush and healthy aquarium plants
free delivery
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Aqua Ultraviolet Quartz Sleeve with Rubber Seal, Classic 40 Watt A10040
40 watt replacement quartz sleeve
free delivery
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API POND SIMPLY CLEAR Pond Water Clarifier 1-Gallon Bottle
Contains one (1) API POND SIMPLY CLEAR Pond Water Clarifier 1-Gallon Bottle
free delivery
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United Chemicals YellowTreat Mustard Algaecide for Swimming Pool – Super Strength Algae Killer for Mustard & Yellow Algae in Saltwater & Chlorine, Above & Inground Pool Treatment | YT2-2LB-C2
Rescue Treatment for use to control blooms of yellow and mustard algae in any type of pool or spa
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13W Aquarium UV Sterilizer for 70-200 Gallon Fish Tank Light Aquarium Algae Clean Light Green Killing Machine Algae Remover
Warm Tips: When using the aquarium clean light, place it in the filter or behind an opaque plate to avoid direct light shining on your fish and harm them
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AA GKM24W Internal UV for Aquariums up to 120Ga,Black
The GKM24W Internal UV System with Power Head is for aquariums up to 120 gallons. The GKM24W allows water flow in direct contact with the UV lamp, making it extremely efficient. Keep your aquarium crystal clear & reduce water changes.
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THE 2HR AQUARIST APT Fix for Planted Aquarium (300ml)
Suitable for planted aquariums
free delivery
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Polyp Lab Reef Primer Coral Conditioner 180 gm
Keeps corals clean before adding them to your tank
free delivery
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Coralife Turbo-Twist 3X Aquarium UV Sterilizer, Up to 125 Gallons
Removes free floating harmful micro organisms from aquarium water
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THE 2HR AQUARIST APT Fix for Planted Aquarium (500ml)
Suitable for planted aquariums
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API Pond ALGAEFIX (64 fl oz) Pond Algae Control - Copper Free - Clear Water
API POND ALGAEFIX – Helps resolve algae problems and controls the formation of new algae; works fast without harm to fish, aquatic plants, surrounding wildlife, or pets when used as directed; includes 64 fl oz for treating up to 19,200 gallons
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Coralife Turbo-Twist Aquarium UV Sterilizer, Mini, For BioCubes
Removes free floating harmful micro organisms from aquarium water
free delivery
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Two Little Fishies ATLAS2 Aquastik, 4-Ounce, Red
Two Little Fishies Aquastik
free delivery
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FritzPond - Ammonia Remover - 32oz
Instant toxic ammonia removal
free delivery
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Aquarium Clean Light,Fish Tank UVC Light Green Clean Light for Water Clean
【 Application 】Updated version with timer(3h,6h,12h,24h),this Aquarium clean light help to clean the green water,such as Fish tank,swimming pool,pond, shoes,dog house clean,Kitchen Clean and so on.
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OXYFUL CUV-324 24W UV Pond Clarifier, 21.5-Inch Non-Submersible Inline Unit for Aquariums and Koi Ponds, Connection Adapters Included
STABILIZE YOUR ECOSYSTEM - Removes the toughest grime in your Saltwater Reef Tank, Freshwater Aquarium, or Pond. Simple to achieve crystal clear water by keeping Nitrate levels down.
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Two Little Fishies ReVive Coral Cleaner Plant-Based Treatment, 16.8 fl.oz.
This product is easy to use
free delivery
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OXYFUL 36W Non-Submersible UV Ultraviolet 22" Light Clarifier Lamp Filter for Aquarium Koi Pond Fish Tank
STABILIZE YOUR ECOSYSTEM - Removes the toughest grime in your Saltwater Reef Tank, Freshwater Aquarium, or Pond. Simple to achieve crystal clear water by keeping Nitrate levels down
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Fritz Aquatics Mardel Copper Safe Treats, 1-Gallon (42080)
Treats ick, flukes, anchor worms and other parasites in fish
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API POND & WATERFALL CLEANER Pond Cleaner 2.2-Pound Container
Contains (1) API POND and WATERFALL CLEANER Pond Cleaner 2.2-Pound Container
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Tetra No More Algae - 24 Tablets (3 Packs of 8)
24 Tablets Total (3 Packs with 8 Tablets per Pack) Tetra No More Algae Tablets
free delivery
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THE 2HR AQUARIST APT Fixlite for Planted Aquarium Tanks (300ml)
Drain water and drip on hardscape to keep it clean.
free delivery
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API Pond Aqua Essential Pond Water Conditioner 32-Ounce Bottle
Contains one (1) API POND AQUA ESSENTIAL Pond Water Conditioner 32-Ounce Bottle
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DrTim's Aquatics Waste-Away Reef (DrTim's Aquatics Waste-Away Reef 8oz)
MAINTAINS A BALANCED ENVIRONMENT FOR CORALS, FISH: Use Waste-Away from DrTim’s Aquatics weekly to prevent sludge from building up on Reef, Nano, Seahorse aquariums. Waste Away also removes hidden waste, unclogs and cleans gravel beds and keeps filter pads cleaner.
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5% discount
Aqua Ultraviolet Twist 40-watt 60 Hz UV Lamp for Aquarium, 2-Inch
2 Inch Inlet and Outlet
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Ecological Labs DAR01 Dry Ammonia Remover with Cloram-X, 1-Pound
Dry ammonia remover with cloram-x, This 1 pound container treats 3,760 Gallons.
free delivery
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API POND ECOFIX SLUDGE DESTROYER Pond Cleaner And Sludge Remover With Natural Bacteria 64-Ounce Bottle,White
Contains one (1) API POND ECOFIX SLUDGE DESTROYER Pond Cleaner And Sludge Remover With Natural Bacteria 64-Ounce Bottle
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Fritz Aquatics ACCR Water Conditioner Instantly Removes Toxic Ammonia/Chlorine & Chloramines for Fresh & Salt Water Aquariums (1-Gallon)
Ammonia Neutralization: Effectively neutralizes toxic ammonia, a common threat in aquariums, ensuring the safety and health of your aquatic life.
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Aqua Ultraviolet AAV20025 Mercury Quartz Lamp for Aquarium, 25-watt
25 watt Mercury quartz replacement lamp
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400GPH UV Aquarium Filter for 55-150 Gallon Fish Tank Algae Control
Efficient Algae C-ontrol: The aquarium filter UV lamp and membrane bag filtration clear green water within 3-7 days; larger or older tanks may take longer
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Aquatop 5W Submersible Nano Filter – for 10-30 Gallon – 66 GPH Flow Rate – for Crystal Clear Water – Ideal for Fresh & Saltwater Use – SPNANO-UV
5W Submersible Nano Filter for 10-30 Gallon Tanks: Aquatop’s compact 5W filter provides efficient filtration for fish and turtle tanks ranging from 10 to 30 gallons, ensuring clean and healthy water.
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Aquarium Light 11W for 100-300 Gallon Submersible Clean Green Lamp for Cloudy Water and Green Water Fish Tank Pond Pools Fountains Crystal Clear
[Crystal Clear] - Does your fish tank look green or brown and cloudy? The 254nm wavelength can clean the green and brown color. Reduce the number of water changes.
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Aquarium Clean Light，7W&9W&11W&13W Algae Bloom Clean Light for Fish Tank,Submersible Light with Timer,Aquarium Water Clean Green Clear Waterproof Clean Lamp for Pond,Swimming Pool
Efficient Cleaning: U-VC Aquarium Clean Light clear away the green in the fish tank, pond, make it clear. The test card is included, you can check the authenticity of the product by yourself. And with an aquarium temperature strip
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ReefHD Reeflux FIuconazole 200mg fungaI Fish lnfections lchthyophonus SaproIegnia KlLL Bryopsis Green Hair AIgae Aquarium Reef Flux AIgae Buster (3 Packs)
Reef Flux is reef safe for fish and invertebrates as long as it is used correctly.
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Tetra Pond GreenFree UV Clarifier UVC-5 for Clean & Clear Ponds
UV CLARIFYING LIGHT: Ultraviolet clarifier controls heavy algae blooms in ponds and water gardens and keeps water clean and green-free.
free delivery
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AquaMiracle Aquarium Filter with U - V Light & Filter Sponge, Fish Tank Filter with Timer for Green Water, Turtle Filter with Aeration & Rainfall Mode for Aquarium 10-30 Gallon
PERFORMANCE - Model SV-500, Power 6W, Max. Flow 130GPH. This aquarium filter fits tanks 10-30 Gallons. It not only cleans green water but also enhances oxygenation and circulation in your tank.
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ReefHD Reeflux FIuconazole 200mg fungaI Fish lnfections lchthyophonus SaproIegnia KlLL Bryopsis Green Hair AIgae Aquarium Reef Flux AIgae Buster (6 Packs)
Reef Flux is reef safe for fish and invertebrates as long as it is used correctly.
free delivery
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Boyd Chemi-Clean 6g Treats up to 900 Gallons - Effective Chemiclean Cyanobacteria for Marine & Freshwater Aquariums, Safe for Fish, Corals & Invertebrates
Clean many types of stains from cyanobacteria. Works in fresh and salt water.
free delivery
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TetraPond Replacement UV Bulb for UV3 and UVC-36, 36-Watt,White, 1 Count (Pack of 1)
REPLACEMENT BULB: For use in TetraPond GreenFree UV Clarifier to control heavy algae blooms in ponds and water gardens and keep water clean and green-free.
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Flexzion 18W UV Pond Light Clarifier for Outdoor Koi Ponds
Quick & Effective Water Clarification: Achieve crystal-clear water in just days with our 18-Watt UV-C light UV pond filter with 2500L/H flow rate, rapidly eliminating algae & harmful microorganisms
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Large Hang on Back Aquarium Filter w/ U-V 13-Stage for 20-75 Gal Fish Tank
【Dedicated Large U-V Chamber】Large, isolated chamber Maximizes Light-to-Water Contact, isolated from bio-sponge to Protect Beneficial Bac-teria.The 5w 253.7nm wavelength U-V Light can clean 99% green or grown, make the Odor Yellow Green aquatic tank clean and clear
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Flexzion 36W UV Pond Light Clarifier for Outdoor Koi Ponds
Energy-Efficient Performance: Enjoy powerful with minimal energy consumption with our pond UV lights for outdoor ponds, designed to run efficiently while it keeps your pond clear NOTE: for Bulb Replacement we suggest to use Flexzion 2 Pack 36W UV-C Bulb Replacement (CUH36L) to ensure proper fit, performance, and safe operation
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Aquatop 264 GPH Internal Filter with 9W UV Light - SP9-UV
FULLY SUBMERSIBLE AQUARIUM FILTER: The Aquatop submersible UV pump is a new and innovative method for healthier water for your aquatic life in fish and turtle aquariums
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Blue Life Flux Rx - 2000mg Treats up to 100Gal Reef Safe, Use on Both Bryopsis and Green Hair Algae
Blue Life Flux RxTM is simple and effective with levels easily achieved and maintained quickly for effectiveness when Bryopsis or Green Hair Algae are present.
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Flexzion Aquarium Filter U-V, 200 Gallon Fish Tank Filter with U-V Light for Green Control Cleaning, 200GPH Submersible Aquarium Pump for Turtle Tank, Freshwater Crystal Clear & Saltwater
4-in-1 Aquatic Purification: Experience superior water quality with our aquarium canister filter, integrating powerful filtration, U-V sanitation, oxygenation, & circulation in one compact unit
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Aquarium Filter for 40-150 Gallon Tank, U-V Fish Tank Green Clean Machine Submersible Powerful Pump Canister Filter 400GPH for Pond Turtle Tank Saltwater Freshwater Crystal Clear Green Killing
CRYSTAL CLEAR - Turns CLOUDY and GREEN water crystal clear in 3-7 days. The larger the fish tank, the longer it takes. Reduce the number of water changes in the fish tank.
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Jecod EverGrow STU-55 55W Non-Submersible UV Ultraviolet Light Clarifier Lamp Filter for Aquarium Koi Pond Fish Tank
55W Power, 6600 Gallon Pond Size, 27.5" Long, 3" Diameter
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Aquarium Filter for 40-150 Gallon Tank, U-V Fish Tank Green Clean Machine Submersible Powerful Pump Canister Filter 400GPH for Pond Turtle Tank Saltwater Freshwater Crystal Clear Green Killing
CRYSTAL CLEAR - Turns CLOUDY and GREEN water crystal clear in 3-7 days. The larger the fish tank, the longer it takes. Reduce the number of water changes in the fish tank.
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coospider-repta 200GPH Aquarium Filter, U-V for Aquarium for 20-75 Gal Tank, Submersible Pump Filter for Green Water and Algae Clean, Ultra-Silent Green Killing Machine with Fish Tank Deodorization
4-IN-1 MACHINE - Aquarium Filter integrates four functions: Filtration, Deodorization, Oxygenation, and Water circulation. The flow rate of 200GPH, Power of 10W. Suitable for 20-75 Gallon fish tanks.
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Devopet Aquarium U-V Light, Al-gae Clean Light for Fish Tank, Green Water Clean Lamp with Timer, Amphibian Aquarium U-V Lamp for in-Line and in-Tank Use, for 75-120 Gallons Fish Tanks(10W)
Highly Efficient Cleaning - This aquarium U-V light utilizes a 254nm wavelength to effectively eliminate green al-gae blooms, turning cloudy green water into crystal-clear clarity
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COOSPIDER Aquarium Filter with 7W U-V Light 300GPH for 75-200 Gallon Tank
SEPARATE SWITCHES - Control the water pump and fish tank light separately. When you only want to use the aquarium filter function, you can turn off the fish tank U-V light separately
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5% discount
hygger Aquarium U-V Light with Timer, 360° Protective Shield Clean Light for Green Water and Algae Clean, Mini Algae Control Lamp for Freshwater and Saltwater Tank (3W for 5-25 Gallon)
Enhanced Clarity and Health: 254nm wavelength U-V Light treatment. hygger aquarium U-V light for green water and algae clean.Provide a safe environment for your fish.It is the best choice for freshwater and saltwater aquariums to clean water quality.
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GreenClean Granular Algaecide, 20 lbs, String Algae Control for Koi Ponds, Fountains, Waterfalls, Water Features on Contact, EPA Registered
GREENCLEAN GRANULAR ALGAECIDE: This 20-pound bucket treats and controls algae in up to 40,000 gallons of water for your in-home or residential ponds, fountains, or water features; this product can be used while your pond is stocked.
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TARARIUM U-V Aquarium Filter for Fish Turtle Tank,Medium fit 20-75Gal
【ALL-IN-1 POWERFUL DEVICE】- Green killing, reduce odor, oxygenation, wave making, aqurium water pump & filte. Clears cloudy water, It helps reduces water changes, saves time and costs. You can unplug the air tube as a water pump
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5% discount
225GPH U - V Aquarium Filter Green Water Cleaning for 20-70 Gallon Tanks
PERFORMANCE - Power 8.2 Watt, Max Flow 225 GPH, Max lift 4 Feet, this aquarium filter efficiently cleans and oxygenates your aquarium. It clears green water while boosting circulation, creating a healthier environment for fish and plants.
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SOBAKEN Dimilin-X Koi & Goldfish Treatmen 1/2 Gallon Anchor Worm Fish Lice Flukes diflubenzuron
Dimilin -X Koi & Goldfish Treatment 1/2 gallon Anchor Worm Fish Lice Flukes diflubenzuron
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Large Powerful Turtle Tank Filter U V-ery for 40-155 Gal, Low Water Filter Turtle Water Filter for Amphibians Frog Fish Fresh Saltwater Cloudy Green Water Crystal Clear with Turtle Tank Deodorization
MULTIFUNCTIONAL MACHINE - Turtle Filter combines: filtration, oxygenation, water circulation and waterfall. Adjustable flow rate, low water level (2.6 IN) available.
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MICROBE-LIFT ALGAGAL Algaway 5.4 Algae Control Treatment for Ponds and Water Gardens, Safe for Koi Fish, Goldfish, Plants, and Decorations, 1 Gallon
KEEPS PONDS CLEAN & CLEAR: Algaway 5.4 is an E.P.A.-registered beneficial algaecide for outdoor ponds and other water features; It controls string algae, suspended algae blooms, and stops algae growth, creating a cleaner aquatic environment
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660GPH Large Aquarium Filter, UV Sterilizer for Aquarium for 100-400 Gallon
4-in-1 MACHINE: The Aquarium filter features algae removal, wave creation, filtration and water circulation. It has a flow rate of 660 GPH and 24V pump for 125-400 gallon tanks.
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MICROBE-LIFT MLCBSE2L Concentrated Barley Straw Extract Conditioner for Ponds and Outdoor Water Garden, Safe for Live Koi Fish, Plants, and Decorations, 64 Ounces
CREATE A HEALTHIER POND: Microbe-Lift Concentrated Barley Straw Extract is specially formulated to naturally balance pond water; It is a cost efficient, environmentally responsible, natural organic approach to a healthy pond environment
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AQUANEAT Aquarium Filter 5W UV Bulb Green Water Killer Submersible Pump Filter 132 GPH for 75 Gallon Fish Tank
It helps improve water quality and clear free-floating algae, it can help turn green water to clear in 3 to 7 days. Please note, UV filter is effective against algae blooms (e.g., green water), but it doesn't address physical cloudiness. Also, UV filter could only kill free-floating algae, also called "green water". The algae covered on tank won't be killed by the UV filter, because they attached themselves on the surface and won't get into the UV unit.
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300GPH U - V Aquarium Filter Green Water Cleaning for 60-150 Gallon Tanks
PERFORMANCE - Power 12 Watt, Max Flow 300 GPH, Max lift 4.5 Feet, this aquarium filter efficiently cleans and oxygenates your aquarium. It clears green water while boosting circulation, creating a healthier environment for fish and plants.
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API PONDCARE MICROBIAL ALGAE CLEAN Green Water Biological Inhibitor (269D) 64-Ounce
Contains one (1) PONDCARE MICROBIAL ALGAE CLEAN Biological Inhibitor of Green Water, Alternative approach to algae control, 64-Ounce Bottle
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NilocG Thrive+ All in One Aquarium Fertilizer for Planted Tanks, 500mL with 2ml Pump
Healthy Plants: Keep your live aquarium plants happy and healthy with our aquarium fertilizer and watch them thrive. This fish tank fertilizer is suitable for high-tech setups with a pH under 7, but can also be used for low-tech setups.
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MICROBE-LIFT ALGA2.5 Algaway 5.4 Algae Control Treatment for Ponds and Water Gardens, Safe for Koi Fish, Goldfish, Plants, and Decorations, 2.5 Gallons
KEEPS PONDS CLEAN & CLEAR: Algaway 5.4 is an E.P.A.-registered beneficial algaecide for outdoor ponds and other water features; It controls string algae, suspended algae blooms, and stops algae growth, creating a cleaner aquatic environment
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TAISHAN Aquarium Clean Light，13W & 11W & 9 W & 7 W & 5 W & 3 W Algae Removal Light with Timer,Aquarium Water Clean Green Clear Waterproof Clean Light for Fish Tank,Pond,Swimming Pool
Highly Efficient Cleaning : UV disinfection works by breaking down certain chemical bonds and scrambling the DNA, RNA and proteins to effectively destroy all microorganisms.
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Flexzion 55W UV Pond Light Clarifier for Outdoor Koi Ponds
Quick & Effective Water Clarification: Achieve crystal-clear water in just days with our 55-Watt UV-C light UV pond filter with 5000L/H flow rate to ensure a cleaner and healthier pond environment
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Red Sea NO3:PO4-X 500ml NOPOX - Nitrate & Phosphate Reducer for Reef Aquariums, Promotes Healthy Coral Growth, Controls Algae & Maintains Water
Country Of Origin: United States
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Fountain Algaecide and Clarifier - 32oz - Kills and Inhibits All Types of Algae Growth, Formulated for Small Ponds and Water Features, Treats up to 32,000 Gallons
Fountain Algae Control Solution 32-Ounce Bottle, Not Safe For Fish
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10% discount
Seachem Reef Plus 500ml (Pack of 2)
The information below is per-pack only
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Dr. Tank #9 Planarian Zero - Aquarium Planaria Killer - Removes Planaria from Freshwater Fish Tanks - Safe for Fish, Shrimp, & Live Aquatic Plants - 50 Tablets
Eliminates Planaria: Effectively removes harmful planaria from freshwater aquariums, ensuring the safety of your aquatic life.
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Fritz Aquatics FritzZyme 7 Live Nitrifying Bacteria Naturally Removes Amonia & Nitrite for Freshwater Fish (1-Gallon)
Live Nitrifying Bacteria for Rapid Cycle: FritzZyme 7 Freshwater contains live, species-specific strains of nitrifying bacteria, proven to quickly reduce toxic ammonia and nitrite levels, significantly reducing fish loss and cycle time in new and established aquariums.
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TARARIUM U-V Aquarium Filter for Fish Turtle Tank,Extra Small fit 10-20Gal
【ADJUSTABLE FINE BUBBLES-Gentle for Fish】- Adjustable airflow can meet different air supply needs; IPX8: U-V light housing will not leakage. You can lay down the filter in low water level tanks
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Turtle Tank Filter Aquarium Fish Filter w/U-V Light for Large 40-150 Gallon
STAGE1-The detachable 254nm U-V light efficient further diminishes odor and eradicates green water
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API PONDCARE MICROBIAL ALGAE CLEAN Biological Inhibitor of Green Water, Alternative approach to algae control, 1-Gallon Bottle
Contains one (1) PONDCARE MICROBIAL ALGAE CLEAN Biological Inhibitor of Green Water Alternative approach to algae control 1-Gallon Bottle
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Continuum Aquatics Reef Basis Captiv Phos Fe, Phosphate Remover 1.2KG
Highly efficient ferric oxide medium for safe & effective phosphate removal in marine, reef & freshwater aquariums
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Coralife Turbo-Twist 12X Aquarium UV Sterilizer, Up to 500 Gallons
Removes free floating harmful micro organisms from aquarium water
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Laguna PF3000 24W Pressure Flo Filter
Features: 3 Step Filtration System: Mechanical, biological and integrated UV filtration work in unison to provide clean and clear pond water
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API POND ALGAEFIX (1 gallon) Pond Algae Control - Copper Free - Clean, Clear Water - Up to 38400 Gallons - Safe for Fish, Plants - Water Gardens, Fountains - Natural Active Ingredient - EPA-Registered
API POND ALGAEFIX – Helps resolve algae problems and controls the formation of new algae; works fast without harm to fish, aquatic plants, surrounding wildlife, or pets when used as directed; includes one gallon for treating up to 38,400 gallons
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DrTim's Aquatics Freshwater Waste-Away Time Release Gel - Natural Fish Tank & Aquarium Leave-in Waste Management Solution for Dissolving Cleaning Organic Sludge 2 Pack Treats 20 gal
DrTim's Aquatics Freshwater Waste-Away Time Release Gel - Natural Fish Tank & Aquarium Leave-in Waste Management Solution for Dissolving Cleaning Organic Sludge 2 Pack Treats 20 gal
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JAHEA Aquarium Clean Light，3 W mini &13W Submersible Light,Aquarium Water Clean Green Clear Waterproof Clean Lamp for Pond,Swimming Pool,Indoor (13W)
Strong Clean - UV-C disinfection works by breaking down certain chemical bonds and scrambling the DNA, RNA and proteins to effectively destroy all microorganisms.(UV test card is included, you can check the authenticity of the product by yourself)
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Oxyful 9W UV Ultraviolet G23-2 pin Base Replacement Light Clarifier Lamp Filter for Aquarium Koi Pond Fish Tank Compatible to CUV-109A - 2 Pack
STABILIZE YOUR ECOSYSTEM - Removes the toughest grime in your Saltwater Reef Tank, Freshwater Aquarium, or Pond
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SEAOURA UV Aquarium Filter with Timer For20-40Gal Fish Tank Quiet Operation
Say Goodbye to Green Water & Fish Sickness – Tired of cloudy water and sick fish? Our two-stage filtration system has you covered: a biochemical sponge traps dirt and grows good bacteria, while 254nm UV-C light to take care of green water, keeping your aquarium water sparkling clean. Keep your tank water crystal-clear and your fish healthy.
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158GPH Small Aquarium Filter, UV Sterilizer for Aquarium for 10-45 Gal Tank
coospider-repta
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Qualirey 11W Aquarium UV Light for Fish Tank, UVC Light Fish Tank for Aquarium Algae Control, Submersible Waterproof UV Lamp with Timer and Hood for Pond Sump Swimming Pool
Warm Reminder: this aquarium's UV light can emit ultraviolet rays, and it is forbidden to directly irradiate people's eyes and skin (especially avoid children's contact); It is forbidden to irradiate the fish directly, otherwise, it will cause the death of the fish; Do not put the UV cleaning lights and the fish in the same water tank, it is recommended to put the product in the filter tank; Comes with a hood to protect your eyes and skin
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300GPH Aquarium Filter, UV Sterilizer for Aquarium for 45-120 Gallon
coospider-repta
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500GPH Aquarium Filter, UV Sterilizer for Aquarium for 75-200 Gallon
coospider-repta
free delivery
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Continuum Aquatics Reef-Basis Captiv Phos Fe - Highly efficient ferric Oxide Filtration Media for Safe and Effective Phosphate Removal in Marine, Reef and Freshwater Aquaria 300-g
Highly efficient ferric oxide medium for safe & effective phosphate removal in marine, reef & freshwater aquariums
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API Pond ACCU-Clear (32 fl oz) Water Clarifier - Improves Filter Efficiency
Contains one (1) API POND ACCU-CLEAR Pond Water Clarifier 32-Ounce Bottle
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API POND ALGAEFIX (32 fl oz) Pond Algae Control - Copper Free - Clean, Clear Water - Up to 9600 Gallons - Safe for Fish & Plants - Water Gardens, Fountains - Natural Active Ingredient - EPA-Registered
API POND ALGAEFIX – Helps resolve algae problems and controls the formation of new algae; works fast without harm to fish, aquatic plants, surrounding wildlife, or pets when used as directed; includes 32 fl oz for treating up to 9,600 gallons
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API POND STRESS COAT (32 fl oz) Pond Water Conditioner - Quickly Makes Tap Water Safe for Fish & Plants - Up to 3840 Gallons - Removes Chlorine, Ammonia & More - Aloe Vera - Natural Active Ingredient
Contains one (1) API POND STRESS COAT Pond Water Conditioner 32-Ounce Bottle
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Gravity UV Light - 8W
8 watt
free delivery
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5% discount
Aqua Ultraviolet 25 Watt Transformer Black
25 watt replacement transformer
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Aqua Ultraviolet 57w replacement transformer
57 watt replacement transformer
free delivery
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Classic 25 Watt Unit, 2", White, Wiper
2 Inch Inlet and Outlet
free delivery
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LSE Lighting STU-75 75W 33-Inch 4-Pin T5F UV Lamp for Jebao Systems
Guaranteed Compatibility: Precision-engineered as a direct replacement for Jebao 75W STU-75 (model numbers used for compatibility reference only).
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Aqua Ultraviolet 8-watt Advantage UV Hanger Model
The Advantage Series is ideal for small ponds, aquariums and water features
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LSE Lighting S410RL-HO 45W 4-Pin High Output UV Lamp with O-Rings
The S410RL-HO UV Lamp by LSE Lighting is a high-performance 45-watt ultraviolet (UVC) bulb, specifically designed for superior water efficiency in high-output systems. This lamp emits a powerful 254nm wavelength, proven to work in residential and light commercial water units. Built with high-quality quartz glass and engineered for long-lasting performance, this replacement lamp features a 4-pin stepped base and an approximate length of 20 3/4 inches, making it a perfect fit for a wide range of ultraviolet systems. Manufactured in an EPA Registered Facility (Est. No. 96823-PA-1), this lamp meets the highest standards for safety, quality, and effectiveness.
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Technical Precision AA Aquarium Green Killing Machine UVC Light Bulb
Replacement For AA AQUARIUM GREEN KILLING MACHINE 24 WATT UVC Light Bulb
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Sochting Oxydator D - Increase Oxygen Level in Shrimps Fish Tank Aquarium
Pure oxygen created by the Söchting Oxydator is mostly immediately dissolved in the water, so that there are hardly any bubbles produced
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Lifegard Aquatics UV Replacement Lamp (Bulb), 25 Watts
The Lifegard Aquatics 25W GT5 UV Replacement Lamp for the 25W QL-Series UV, Pro-MAX 3" Body 25W Standard High Output UV, and the Aquastep Pro 25 Watt UV.
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5% discount
40 Watt Replacement ÜV Lamp for Aqua ÜV Water Filter, 33 Inch, 1 Pack
YUBEYI
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Ultravation Photo Catalytic Reactor lamp UV-A
Photo catalytic reactor lamp UV-A | Ultravation
free delivery
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Ultravation 10" UVC Lamp
10" UVC Lamp | Ultravation
free delivery
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HTH Ultimate Mineral Brilliance 22009 Chlorinating Granule, 50 lb, Powder, Chlorine, White
Chlorinating Granule
free delivery
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Seachem Cupramine 250 mL / 8.5 fl. oz.
Copper treatment for external parasites
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Tetra Pond Algae Control Treatment For Ponds, 33.8 oz
Controls green water and string algae
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API Proper pH 7.0 Freshwater Aquarium Water pH Stabilizer and API Ammo-Lock Freshwater and Saltwater Aquarium Ammonia Detoxifier
Contains API PROPER pH 7.0 stabilizer (8.8 oz) for adjusting pH levels and API AMMO-LOCK ammonia detoxifier (16 oz) for instantly detoxifying ammonia.
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We have found a total of 130 algae killers deals at amazon, Chewy.com, PetSmart, and other shops for you. The most popular brands include: API, TARARIUM, and Aqua UV. Today's offer is API MARINE ALGAEFIX Algae Control 16-Ounce Bottle with 31% discount. The lowest price we found in our offers is $ 17.59 . The highest price in our price comparison is $ 567.13 . Currently, we have selected 7 reliable shops for you to buy algae killers affordably.