Tanks & Aquariums

Liquid pH Control. pH Up is fast acting and colorless, it raises pH and makes water more alkaline without clouding the water.

Lowers pH and makes aquariums more acidic. Fast-acting, colorless, easy-to-use and will not cloud or color aquarium water.

Liquid pH Control. pH Up is fast acting and colorless, it raises pH and makes water more alkaline without clouding the water.

Easy-to-use, fast dissolving powder that automatically sets and stabilizes pH while neutralizing chlorine and detoxifying heavy metals. Contains...

Easy-to-use, fast dissolving powder that automatically sets and stabilizes pH while neutralizing chlorine and detoxifying heavy metals. Contains...

Easy-to-use, fast dissolving powder that automatically sets and stabilizes pH at 7.5 while neutralizing chlorine and detoxifying heavy metals. C...

Easy-to-use, fast dissolving powder that automatically sets and stabilizes pH at 8.2 while neutralizing chlorine and detoxifying heavy metals. C...

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

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

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

Contains 300 million live bacteria per teaspoonful. Helps clean an aquarium by eliminating sludge build-up. Prevents ammonia & nitrite poiso...

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

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

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

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

Great for beginners. Includes easy-to-read instructions for starting a new aquarium. For use on troical, goldfish & saltwater aquariums. Two...

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

Preconditioned water is ready to use with no extra preparation or waiting time needed. Just pour in the water and add your Betta instantly. Wate...

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

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

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

Fritz RPM Elements contain the essential building-blocks of reef keeping. Developed to easily adjust & maintain proper parameters, promoting he...

Fritz RPM Elements contain the essential building-blocks of reef keeping. Developed to easily adjust & maintain proper parameters, promoting he...

Fritz RPM Elements contain the essential building-blocks of reef keeping. Developed to easily adjust & maintain proper parameters, promoting he...