Water Conditioners & Additives

API AlgaeFix algae control effectively controls many types of algae in aquariums and will not harm to your fish or plants when used as directed....

API Pond AlgaeFix algae control effectively controls green water algae blooms, string or hair algae (Cladophora), and blanketweed (Oedogonium) in p...

API® Tap Water Conditioner treatment removes toxins from tap water instantly, so you can add fish to your aquarium (or add them back after a wat...

API® TAP WATER CONDITONER treatment removes toxins from tap water instantly, so you can add fish to your aquarium (or add them back after a ...

API® Tap Water Conditioner treatment removes toxins from tap water instantly, so you can add fish to your aquarium (or add them back aft...

API® STRESS ZYME bacterial cleaner contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium mainten...

API® STRESS ZYME bacterial cleaner contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium maintenance...

API Pimafix fish remedy is an all-natural, antifungal remedy for fish fungal infections, with a formula derived from the West Indian Bay Tree –...

API® pH UP pH adjuster raises pH levels in your aquarium to make water more alkaline when levels fall too low. pH is the measure of acidic or al...

An all natural salt, made from evaporated sea water. Helps improve gill function to reduce stress. Reduces electrolyte loss and promotes healthy...

All-natural sea salt improves gill function, protects against nitrite toxicity & reduces stress by helping maintain a natural balance of ele...

API® SUPER ICK CURE fish remedy treats “Ich,” or white spot disease, in fish, along with other highly contagious parasitic diseases. The Ich pa...

API® SUPER ICK CURE fish remedy treats “Ich,” or white spot disease, in fish, along with other highly contagious parasitic diseases. The Ich pa...