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About API Shop API
API has been the leading company in research and development for treatments and advances in aquarium fish care for over 50 years! Check out our selection below and see why they are one of our favorite brands.

53 products

Activated Filter Carbon Aquarium Filter Media

APIActivated Filter Carbon Aquarium Filter Media

$5.25 - $16.00

Bettafix Natural Healing & Antibacterial Betta Liquid

APIBettafix Natural Healing & Antibacterial Betta Liquid

$4.00

Betta Complete Aquarium Water Conditioner

APIBetta Complete Aquarium Water Conditioner

$4.00

Crystal Bio-Chem Zorb Cartridge Size 10

APICrystal Bio-Chem Zorb Cartridge Size 10

$5.00

Accu-Clear Freshwater Aquarium Water Clarifying Liquid

APIAccu-Clear Freshwater Aquarium Water Clarifying Liquid

$3.75 - $9.25

Algaefix Marine Aquarium Algaecide Liquid

APIAlgaefix Marine Aquarium Algaecide Liquid

$25.00

Ammo-Chips Fresh Water Aquarium Ammonia Remover Media

APIAmmo-Chips Fresh Water Aquarium Ammonia Remover Media

$7.50

Ammo-Lock Aquarium Ammonia Neutralizing Liquid Treatment

APIAmmo-Lock Aquarium Ammonia Neutralizing Liquid Treatment

$5.75 - $15.25

Fungus Cure Fish Fungal Infection Treatment Powder

APIFungus Cure Fish Fungal Infection Treatment Powder

$11.25

Furan 2 Bacterial Fish Disease Treatment Powder

APIFuran 2 Bacterial Fish Disease Treatment Powder

$11.00

Root Tabs Aquarium Plant Fertilizer

APIRoot Tabs Aquarium Plant Fertilizer

$11.25

Stress Coat Aquarium Water Conditioner

APIStress Coat Aquarium Water Conditioner

$2.75 - $13.50

Stress Zyme Live Biological Filtration Booster Water Conditioner

APIStress Zyme Live Biological Filtration Booster Water Conditioner

$6.25 - $20.25

Triple Sulfa Anti-Bacterial Aquarium Fish Treatment Powder

APITriple Sulfa Anti-Bacterial Aquarium Fish Treatment Powder

$16.50

Pond Accu-Clear Liquid Water Solution

APIPond Accu-Clear Liquid Water Solution

$18.25

Nitra-Zorb Aquarium Canister Filter Filtration Pouch Size 6

APINitra-Zorb Aquarium Canister Filter Filtration Pouch Size 6

$18.00

Quick Start Aquarium Water Conditioner Solution

APIQuick Start Aquarium Water Conditioner Solution

$3.50 - $10.50

pH Up Alkalinity Increasing Aquarium Solution

APIpH Up Alkalinity Increasing Aquarium Solution

$4.50 - $5.75

Super Ick Cure Liquid Aquarium Solution

APISuper Ick Cure Liquid Aquarium Solution

$5.75 - $7.25

Filstar Phos Zorb Aquarium Canister Filter Filtration Pouch Size 6

APIFilstar Phos Zorb Aquarium Canister Filter Filtration Pouch Size 6

$9.50

Filstar XP 30 PPI Aquarium Filtration Foam

APIFilstar XP 30 PPI Aquarium Filtration Foam

$12.50

Filstar XP 20 PPI Aquarium Filtration Foam

APIFilstar XP 20 PPI Aquarium Filtration Foam

$12.50

14-Day Vacation Pyramid Fish Food Feeder

API14-Day Vacation Pyramid Fish Food Feeder

$3.50

3-Day Weekend Pyramid Fish Food Feeder

API3-Day Weekend Pyramid Fish Food Feeder

$3.75

5 in 1 pH, NO2, NO3, KH, GH, Saltwater & Freshwater Aquarium Test Strips

API5 in 1 pH, NO2, NO3, KH, GH, Saltwater & Freshwater Aquarium Test Strips

$18.00

Ammonia ( NH3 & NH4 ) Aquarium Test Strips

APIAmmonia ( NH3 & NH4 ) Aquarium Test Strips

$19.25

Calcium ( Ca ) Saltwater Aquarium Test Kit

APICalcium ( Ca ) Saltwater Aquarium Test Kit

$13.75

CO2 Booster Aquarium Plant Supplement Liquid

APICO2 Booster Aquarium Plant Supplement Liquid

$10.50

Copper ( Cu ) Freshwater & Saltwater Aquarium Test Kit

APICopper ( Cu ) Freshwater & Saltwater Aquarium Test Kit

$12.50

Extra Long Acrylic Aquarium Algae Scraper with 2-Sided Scrubbing Pad

APIExtra Long Acrylic Aquarium Algae Scraper with 2-Sided Scrubbing Pad

$9.25

Filstar XP Aquarium Micro Filtration Pads

APIFilstar XP Aquarium Micro Filtration Pads

$8.50

Ammonia ( NH3 & NH4 ) Freshwater & Saltwater Aquarium Test Kit

APIAmmonia ( NH3 & NH4 ) Freshwater & Saltwater Aquarium Test Kit

$13.75

Freshwater Aquarium Master Test Kit

APIFreshwater Aquarium Master Test Kit

$36.50

Aquarium Salt

APIAquarium Salt

$3.50 - $9.50

Freshwater pH Aquarium Test Kit

APIFreshwater pH Aquarium Test Kit

$7.00

General & Carbonate ( GH & KH ) Fresh Water Hardness Aquarium Test Kit

APIGeneral & Carbonate ( GH & KH ) Fresh Water Hardness Aquarium Test Kit

$11.25

High Range pH Freshwater & Saltwater Test Kit

APIHigh Range pH Freshwater & Saltwater Test Kit

$7.75

Carbonate ( KH ) Freshwater & Saltwater Hardness Test Kit

APICarbonate ( KH ) Freshwater & Saltwater Hardness Test Kit

$7.75

Melafix Aquarium Fish Bacterial Disease Treatment Liquid

APIMelafix Aquarium Fish Bacterial Disease Treatment Liquid

$7.25 - $69.00

Nitrate ( NO3 ) Freshwater & Saltwater Test Kit

APINitrate ( NO3 ) Freshwater & Saltwater Test Kit

$14.25

Nitrite ( NO2 ) Freshwater & Saltwater Aquarium Test Kit

APINitrite ( NO2 ) Freshwater & Saltwater Aquarium Test Kit

$10.25

pH Down Aquarium Alkalinity Decreasing Liquid

APIpH Down Aquarium Alkalinity Decreasing Liquid

$5.75

Phosphate ( PO4 ) Freshwater & Saltwater Aquarium Test Kit

APIPhosphate ( PO4 ) Freshwater & Saltwater Aquarium Test Kit

$16.50

pH Aquarium Test Strips

APIpH Aquarium Test Strips

$13.75

Pond Salt

APIPond Salt

$8.75

Proper pH 6.5 Aquarium Water pH Stabilizer

APIProper pH 6.5 Aquarium Water pH Stabilizer

$12.25

Proper pH 7.0 Aquarium Water pH Stabilizer

APIProper pH 7.0 Aquarium Water pH Stabilizer

$12.25

Proper pH 7.5 Aquarium Water pH Stabilizer

APIProper pH 7.5 Aquarium Water pH Stabilizer

$12.25

Proper pH 8.2 Aquarium Water pH Stabilizer

APIProper pH 8.2 Aquarium Water pH Stabilizer

$12.25

Reef Aquarium Master Test Kit

APIReef Aquarium Master Test Kit

$41.25

Super Activated Carbon Aquarium Filter

APISuper Activated Carbon Aquarium Filter

$9.50

Saltwater Aquarium Master Test Kit

APISaltwater Aquarium Master Test Kit

$36.50

Super Ick Cure Ich Disease Treatment Powder

APISuper Ick Cure Ich Disease Treatment Powder

$11.50