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Fish Water Care

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API Betta Water Conditioner for Aquarium

Mars Fishcare North America
Out of stock

This water conditioner is a liquid treatment designed for use in betta bowls and freshwater aquariums. It works on contact to neutralize chlorine, ...

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API pH Test Kit for Aquarium

Mars Fishcare North America
Out of stock

This kit uses a liquid reagent to measure the acidity or alkalinity of freshwater aquarium water. Each kit includes a bottle of pH test solution, a...

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API Aquarium Start Up Pack for Aquarium

Mars Fishcare North America
Out of stock

This start-up pack pairs a water conditioner with a nitrifying bacteria supplement to prepare aquarium water before fish are introduced. The condit...

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API Aquarium Salt - 16 oz

Mars Fishcare North America
Out of stock

This aquarium salt is produced by evaporating natural sea water, leaving behind the mineral content fish rely on for healthy gill function. It is i...

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API Aquarium Salt - 33 oz

Mars Fishcare North America
Out of stock

This aquarium salt is produced by evaporating natural sea water, leaving behind the mineral content fish rely on for healthy gill function. It is i...

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API Aquarium Salt - 65 oz

Mars Fishcare North America
Out of stock

This aquarium salt is produced by evaporating natural sea water, leaving behind the mineral content fish rely on for healthy gill function. It is i...

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API Nitra-Zorb for Aquarium

Api Fish Care
Out of stock

Api nitra-zorb is a ready-to-use filter media pouch that can be added to your filter to remove ammonia, nitrite, and nitrate. Nitra-zorb is made of...

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API Ammonia Test Kit for Aquarium

Mars Fishcare North America
Original price $0.00 - Original price $0.00
Original price $0.00
$20.58
$20.58 - $20.58
Current price $20.58
Only 1 left!

This kit uses a salicylate-based liquid reagent method to measure dissolved ammonia in aquarium water, reading across a 0 to 8 ppm range. It includ...

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Original price $0.00 - Original price $0.00
Original price $0.00
$20.58
$20.58 - $20.58
Current price $20.58

API Ammonia Aquarium Test Strips

Mars Fishcare North America
Out of stock

Each strip is a single-use paper test designed to detect dissolved ammonia in aquarium or pond water. The strip is dipped directly into the tank wi...

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API Ammo Lock for Aquarium - 4 fl oz

Mars Fishcare North America
Original price - Original price
Original price $0.00
$10.96
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Current price $10.96
Only 1 left!

This conditioner is a clear liquid formula dosed directly into aquarium water using the graduated cap included on the bottle. It works on contact t...

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Original price - Original price
Original price $0.00
$10.96
-
Current price $10.96

API Ammo Lock for Aquarium - 16 fl oz

Mars Fishcare North America
Out of stock

This conditioner is a clear liquid formula dosed directly into aquarium water using the graduated cap included on the bottle. It works on contact t...

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API Ammo Lock for Aquarium - 8 fl oz

Mars Fishcare North America
Out of stock

This conditioner is a clear liquid formula dosed directly into aquarium water using the graduated cap included on the bottle. It works on contact t...

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API Melafix for Aquarium - 4 fl oz

Mars Fishcare North America
Out of stock

API Melafix is a botanical liquid treatment formulated with melaleuca (tea tree) extract for use in freshwater and saltwater aquariums. It is added...

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API Melafix for Aquarium - 8 fl oz

Mars Fishcare North America
Original price - Original price
Original price $0.00
$16.16
-
Current price $16.16
Only 2 left!

API Melafix is a botanical liquid treatment formulated with melaleuca (tea tree) extract for use in freshwater and saltwater aquariums. It is added...

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Original price - Original price
Original price $0.00
$16.16
-
Current price $16.16

API Melafix for Aquarium - 16 fl oz

Mars Fishcare North America
Out of stock

API Melafix is a botanical liquid treatment formulated with melaleuca (tea tree) extract for use in freshwater and saltwater aquariums. It is added...

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API Doc Wellfish's Algae Scraper

Mars Fishcare North America
Out of stock

This algae scraper features an 18-inch handle that lets aquarium keepers reach into the tank while keeping their hands dry. A scrubbing pad address...

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API General Cure for Aquarium - 10 pack

Mars Fishcare North America
Out of stock

API General Cure is a quick-dissolve powder formulated for freshwater aquarium use, combining two active ingredients that work together against a b...

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API General Cure for Aquarium - 850 g

Mars Fishcare North America
Out of stock

API General Cure is a quick-dissolve powder formulated for freshwater aquarium use, combining two active ingredients that work together against a b...

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API Freshwater Master Test Kit for Aquarium

Mars Fishcare North America
Out of stock

This kit uses liquid reagents and glass test tubes to check tap water and aquarium water for the parameters that matter most to freshwater fish. Ea...

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API 5 In 1 Aquarium Test Strips - 4 count

Mars Fishcare North America
Out of stock

These test strips are designed to measure pH, nitrite, nitrate, carbonate hardness, and general hardness in a single dip, giving a quick snapshot o...

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API 5 In 1 Aquarium Test Strips - 25 count

Mars Fishcare North America
Out of stock

These test strips are designed to measure pH, nitrite, nitrate, carbonate hardness, and general hardness in a single dip, giving a quick snapshot o...

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API 5 In 1 Aquarium Test Strips - 100 count

Mars Fishcare North America
Out of stock

These test strips are designed to measure pH, nitrite, nitrate, carbonate hardness, and general hardness in a single dip, giving a quick snapshot o...

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API Fin & Body Cure for Fish

Mars Fishcare North America
Out of stock

This product is a powdered antibacterial treatment for freshwater aquariums, supplied as individually measured packets that are dissolved directly ...

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API Bettafix for Aquarium

Mars Fishcare North America
Out of stock

This aquarium treatment is a liquid solution built around melaleuca, a botanical extract also known as tea tree oil, in a small dropper-style bottl...

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API Aqua Dechlorinator - 4 oz

Mars Fishcare North America
Out of stock

This liquid water conditioner is designed to make tap water safe for aquarium fish by neutralizing common contaminants in a single dose. The concen...

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API Aqua Dechlorinator - 16 oz

Mars Fishcare North America
Out of stock

This liquid water conditioner is designed to make tap water safe for aquarium fish by neutralizing common contaminants in a single dose. The concen...

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API Aqua Dechlorinator - 8 oz

Mars Fishcare North America
Out of stock

This liquid water conditioner is designed to make tap water safe for aquarium fish by neutralizing common contaminants in a single dose. The concen...

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API Algaefix for Aquarium - 1.25 fl oz

Mars Fishcare North America
Out of stock

This liquid formula is designed to control a broad range of freshwater algae, including green water blooms and string or hair algae, directly in th...

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API Algaefix for Aquarium - 4 fl oz

Mars Fishcare North America
Out of stock

This liquid formula is designed to control a broad range of freshwater algae, including green water blooms and string or hair algae, directly in th...

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API Algaefix for Aquarium - 8 fl oz

Mars Fishcare North America
Out of stock

This liquid formula is designed to control a broad range of freshwater algae, including green water blooms and string or hair algae, directly in th...

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API Algaefix for Aquarium - 16 fl oz

Mars Fishcare North America
Out of stock

This liquid formula is designed to control a broad range of freshwater algae, including green water blooms and string or hair algae, directly in th...

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API Accu-Clear for Aquarium - 4 fl oz

Mars Fishcare North America
Out of stock

This is a liquid water treatment formulated for freshwater aquariums that clumps tiny suspended particles together so an existing filter can captur...

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API Accu-Clear for Aquarium - 8 fl oz

Mars Fishcare North America
Original price - Original price
Original price $0.00
$14.93
-
Current price $14.93
Only 2 left!

This is a liquid water treatment formulated for freshwater aquariums that clumps tiny suspended particles together so an existing filter can captur...

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Original price - Original price
Original price $0.00
$14.93
-
Current price $14.93

API Accu-Clear for Aquarium - 1.25 fl oz

Mars Fishcare North America
Out of stock

This is a liquid water treatment formulated for freshwater aquariums that clumps tiny suspended particles together so an existing filter can captur...

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Tetra Waterclarifier for Aquarium Water - 3.38 fl oz

Tetra
Out of stock

Tetra Waterclarifier is a phosphate-free liquid formula designed for use in freshwater and planted aquariums. It works by causing minute suspended ...

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Tetra Waterclarifier for Aquarium Water - 8.45 fl oz

Tetra
Out of stock

Tetra Waterclarifier is a phosphate-free liquid formula designed for use in freshwater and planted aquariums. It works by causing minute suspended ...

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Tetra Ick Guard Tablets for Aquarium

Tetra
Out of stock

Tetra Ick Guard Tablets are fizz tabs designed to address ick, or white spot, on freshwater tropical fish and goldfish. Each tablet dissolves quick...

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Tetra Barley Peat Extract for Naturally Clear Pond Water

Tetra
Out of stock

This liquid formula is derived from barley straw extract combined with liquid peat, delivering humic acids directly into pond water without the mes...

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AquaVet Copper Sulfate Granular

Durvet
Out of stock

TREATMENT FOR KILLING FLOATING, SUBMERGED AND PLANKTONIC ALGAE IN PONDS/LAKES

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AquaVet Bio Pond Cleaner BioStart Complex

Durvet
Out of stock

Highly concentrated probiotic formula enhances natural bacteria to aid in decomposition of sludge and bottom muck. Treat all year long with cold/ w...

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Aqueon Pure Aquarium Water Supplement - 4 pack

Central Aquatics
Original price - Original price
Original price $0.00
$47.32
-
Current price $47.32
Only 2 left!

Aqueon Pure delivers live nitrifying bacteria and waste-digesting enzymes inside small gel spheres designed for freshwater aquariums. Once added to...

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Original price - Original price
Original price $0.00
$47.32
-
Current price $47.32

Aqueon Pure Aquarium Water Supplement - 8 pack

Central Aquatics
Out of stock

Aqueon Pure delivers live nitrifying bacteria and waste-digesting enzymes inside small gel spheres designed for freshwater aquariums. Once added to...

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Aqueon Pure Aquarium Water Supplement - 24 pack

Central Aquatics
Out of stock

Aqueon Pure delivers live nitrifying bacteria and waste-digesting enzymes inside small gel spheres designed for freshwater aquariums. Once added to...

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Aqueon Pure Aquarium Water Supplement - 12 pack

Central Aquatics
Out of stock

Aqueon Pure delivers live nitrifying bacteria and waste-digesting enzymes inside small gel spheres designed for freshwater aquariums. Once added to...

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