Algae killers in comparison
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Last updated on 15.09.2026
1
API Pond ALGAEFIX (64 fl oz) Pond Algae Control - Copper Free - Clear Water
API
free shipping
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9,9
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2
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
United Chemical
free shipping
To the product (1 offer)
9,8
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3
Tetra 77188 Algae Control Treats 36000 gallons, 101.4-Ounce
Tetra
free shipping
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9,7
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4
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
Sanco Industries
free shipping
To the product (1 offer)
9,7
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5
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)
FUMAK
15% off
free shipping
To the product (1 offer)
9,6
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6
GreenClean Granular Algaecide, 20 lbs, String Algae Control for Koi Ponds, Fountains, Waterfalls, Water Features on Contact, EPA Registered
BioSafe Systems
free shipping
To the product (1 offer)
9,5
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7
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
coospider-repta
free shipping
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9,5
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8
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)
hygger
5% off
free shipping
To the product (1 offer)
9,4
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9
Blue Life Reef Flux 7000MG
Blue Life
free shipping
To the product (1 offer)
9,4
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10
ReefHD Reef Flux Anti-Fungal Treatment (100 gal)
rusepin
free shipping
To the product (1 offer)
9,2
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You might also be interested in these algae killers.
10% off
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.
$ 58.49
free shipping
To the product (1 offer)
6% off
Ultralife Blue Green Slime Aquarium Stain Remover, 150 Gallons
Blue Green Slime
$ 28.99
free shipping
To the product (1 offer)
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.
$ 82.88
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To the product (2 offers)
Seachem Flourish Excel 2 L / 67.6 fl. oz.
Organic carbon for the planted aquarium
$ 39.99
free shipping
To the product (1 offer)
Microbe-Lift Concentrated Barley Straw Extract Conditioner for Ponds – 1 Gallon – Safe for Koi Fish, Plants & Decorations – Natural Pond Conditioner, Cost-Efficient & Organic Solution
Natural Pond Conditioner: An environmentally responsible, cost-efficient solution that provides a clean and organic approach to maintaining a healthy pond environment.
$ 47.00
free shipping
To the product (1 offer)
lumenivo 9W UV Light Bulb for Pond Filter, Aquarium Filter G23 UV - 1 Pack
Specifications - 9W Twin Tube UVC bulb with a G23 2-pin plastic center base. Enjoy clearer waters for up to 8,000 hours average rated life. 6.5 inches L x 1.25 inches W.
$ 21.99
free shipping
To the product (1 offer)
7% off
Copper Power (Endich) ACP0016B Blue Treatment for Marine Fish, 16-Ounce
Package Length: 1.0"L
$ 18.99
free shipping
To the product (1 offer)
COOSPIDER Aquarium U-V Filter Green Clean Machine for 40-100 Gallon Fish Tank Crystal Clear 300GPH Submersible Water Pump Air Supply Wave Maker Green Killing
CRYSTAL CLRAR - Built-in 254nm wavelength fish tank light. It is used in green tanks. Make your tank Crystal Clear. It can reduce the number of water changes in your tank and don't have to spend a lot of effort to change the water.
$ 36.99
free shipping
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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.
$ 23.93
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Bio-D Diatomaceous Earth (10-Pound Pail)
Made from the powdered fossilized remains of diatoms, a type of hard-shelled algae, Bio-D is 100% food grade with no chemical additives.
$ 42.90
free shipping
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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.
$ 55.99
free shipping
To the product (1 offer)
9% off
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
$ 122.84
free shipping
To the product (1 offer)