API Fishcare
API brand is an aquatics product brand offering treatments, testing, and nutrition for indoor aquariums and outdoor ponds.
Last updated September 11, 2026
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- Nov 3, 2026
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- Nov 3, 2026
Since Oct 28, 2026 · from this site's server log
Overview
API brand describes itself as passionate about fish keeping and states it has supported the aquatics industry for over 60 years. Its research and development scientists have pioneered scientific studies on aquarium treatments, work that has garnered over 30 global patents. API products are available in North America, the United Kingdom, continental Europe, and Asian Pacific. Its family of products includes treatments, testing, and nutrition for both indoor aquariums and outdoor ponds. In 2003, Mars, Inc. acquired Aquarium Pharmaceuticals, Inc.
History
API brand states it has supported the aquatics industry for over 60 years and has been a leader in the aquatics industry for over 60 years, developing and perfecting products and solutions for indoor aquariums and outdoor ponds. In 2003, Mars, Inc. acquired Aquarium Pharmaceuticals, Inc., which the brand describes as resulting in a stronger company with a vibrant background in fish keeping and the trusted reputation of Mars and the Waltham Centre for Pet Nutrition.
Products and positioning
API Marine Melafix
Saltwater fish and coral bacterial infection remedy that heals bacterial infections.
API Marine Stress Coat
Treats tap water and provides a safe environment for saltwater and reef fish.
API General & Carbonate Hardness Test Kit
Tests aquarium water's GH levels.
API EM Erythromycin Powder
API E.M. product.
API General Cure Powder Packets
Fast-acting freshwater and saltwater fish powder medication that treats a wide variety.
API Marine Quick Start
For new aquariums where harmful ammonia and nitrite build up from fish waste.
API pH UP
Freshwater aquarium water pH raising solution.
API pH DOWN
Freshwater aquarium water pH reducing solution.
API Pond pH Down
Safely and quickly lower the pH in freshwater pond for more acidic water conditions.
API Pond pH Up
Safely and quickly lower the pH in freshwater pond for more acidic water conditions.
API QUICK START
Freshwater and saltwater aquarium nitrifying bacteria.
API Proper pH 8.2
pH is the measure of acidity of water, on a scale ranging from 0 to 14.
API Proper pH 7.5
pH is the measure of acidity of water, on a scale ranging from 0 to 14.
API AQUASPIN
A cutting-edge technology that combines speed and accuracy for aquarium and pond water analysis results in just two minutes, using a small water sample, the AQUASPIN photometer and a new disk. It takes fast and accurate readings of aquarium or pond parameters, including, where applicable, nitrate, nitrite, ammonia, phosphate, carbonate hardness, general hardness, pH, magnesium, and calcium, and provides results accompanied by an API product recommendation.
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