api

Measures pH, Nitrite, Nitrate, Carbonate & General Hardness. Just dip & read!

Quickly clears cloudy aquarium water, eliminating clouds caused by dirt and debris. Clumps tiny particles, causing them to fall to the bottom or...

Quickly clears cloudy aquarium water, eliminating clouds caused by dirt and debris. Clumps tiny particles, causing them to fall to the bottom or...

Quickly clears cloudy aquarium water, eliminating clouds caused by dirt and debris. Clumps tiny particles, causing them to fall to the bottom or...

A revolutionary new product for controlling many types of algae in freshwater aquariums containing live plants and fish. Keeps freshwater aquari...

Aquarium Algaecide that is EPA-registered as reef-safe. Algaefix Marine controls many types of algae in marine & reef aquariums. It will not...

Salicylate test measures ammonia levels in both fresh & saltwater aquariums. Ammonia, the #1 killer of tropical fish, is continually prod...

Treat your tap water, and provide a safe environment for freshwater fish instantly and easily with API AQUA ESSENTIAL water conditioner. Tap wat...

Tests tap water & fresh or saltwater aquariums for carbonate hardness (KH). Helps prevent fish stress caused by rapid pH shifts, the resu...

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

The API® pH TEST KIT monitors pH to maintain healthy freshwater conditions in your tank. pH control is imperative to prevent the harmful eff...

Quickly clears cloudy pond water by causing tiny suspended particles to clump together, forming larger particles that fall to the bottom and are si...

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

API Quick Start features a unique nitrifiying bacteria that consumes ammonia and nitrite to prevent new tank syndrome. Quick Start allows for th...

Concentrated. Instantly removes chlorine and detoxifies heavy metals from tap water. Safe for all aquarium life. One teaspoon treats 10 gallons....