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Aquarium
Pharmaceuticals

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.

30 products

API
Bettafix Natural Healing & Antibacterial Betta Liquid
$5.00
API
Furan 2 Bacterial Fish Disease Treatment Powder
$15.25
API
Ammonia ( NH3 & NH4 ) Aquarium Test Strips
$20.00
API
Freshwater Aquarium Master Test Kit
$41.25
API
Betta Complete Aquarium Water Conditioner
$4.25 was $4.99
API
14-Day Vacation Pyramid Fish Food Feeder
$4.00 was $4.19
API
Accu-Clear Freshwater Aquarium Water Clarifying Liquid
$4.25 was $11.19
API
Ammo-Lock Aquarium Ammonia Neutralizing Liquid Treatment
$6.75 was $8.39
API
Aquarium Salt
$5.00 was $5.59
API
Fungus Cure Fish Fungal Infection Treatment Powder
$12.75
API
Stress Coat Aquarium Water Conditioner
$2.75 was $2.79
API
Stress Zyme Live Biological Filtration Booster Water Conditioner
$7.25
API
3-Day Weekend Pyramid Fish Food Feeder
$4.25
API
5 in 1 pH, NO2, NO3, KH, GH, Saltwater & Freshwater Aquarium Test Strips
$19.00
API
Calcium ( Ca ) Saltwater Aquarium Test Kit
$15.75
API
Copper ( Cu ) Freshwater & Saltwater Aquarium Test Kit
$14.50
API
Extra Long Acrylic Aquarium Algae Scraper with 2-Sided Scrubbing Pad
$10.25
API
Ammonia ( NH3 & NH4 ) Freshwater & Saltwater Aquarium Test Kit
$17.75 was $18.19
API
Freshwater pH Aquarium Test Kit
$9.00 was $9.19
API
High Range pH Freshwater & Saltwater Test Kit
$9.75 was $10.59
API
Carbonate ( KH ) Freshwater & Saltwater Hardness Test Kit
$10.00
API
Melafix Aquarium Fish Bacterial Disease Treatment Liquid
$8.75 was $10.59
API
Nitrate ( NO3 ) Freshwater & Saltwater Test Kit
$16.00 was $16.19
API
Nitrite ( NO2 ) Freshwater & Saltwater Aquarium Test Kit
$13.50 was $13.99
API
pH Down Aquarium Alkalinity Decreasing Liquid
$6.00 was $6.99
API
pH Aquarium Test Strips
$15.00
API
Proper pH 7.5 Aquarium Water pH Stabilizer
$13.00
API
Reef Aquarium Master Test Kit
$48.75
API
Saltwater Aquarium Master Test Kit
$41.25
API
Super Ick Cure Ich Disease Treatment Powder
$13.00 was $13.39