Treats fungal infections and both internal and external bacterial infections. Will not adversely affect the biological filter, alter the pH, or discolor water. Safe for reef aquariums and live plants. For use in fresh or salt wate...
Black Magic® Super Activated Carbon Research grade carbon. Keeps water clean and crystal clear. The patented activation process used in its production yields a high purity, premium grade carbon with optimal pore structure and a...
A complete test kit for testing tap and aquarium water. Tests six different potentially dangerous water conditions. Includes Freshwater pH, High Range pH, Ammonia, Nitrite, and Nitrate. Kit features computer-analyzed laminated col...
Ready-to-use replacement cartridge for the Tap Water Filter. Easily connects to Tap Water Filter to continue making perfect deionized aquarium water.
The most technically advanced aquarium heater available delivering wide temperature control with LED warning alert system. Features:
Fits as intake tube to all RENA SmartFilters and RENA Filstar xP1 through xP4 Canister Fil...
Raises pH and makes aquariums more alkaline. Fast-acting, colorless and easy-to-use. Purpose and Benefits: pH Up is a liquid pH raising product for freshwater aquariums. By neutralizing acidic substances in the aquarium, pH Up...
Lowers pH and makes aquariums more acidic. Fast-acting, colorless and easy-to-use. Purpose and Benefits:
pH Down is a liquid pH lowering product for freshwater aquariums. pH Down lowers pH by neutralizing carbonate hardness ...
All natural planting media for aquatic plants. Granular form which is ideal for aquarium use and is better than aquarium gravel alone. Perfect for naturally-planted aquariums.