A convenient pouch of natural and synthetic ion-exchange resins that selectively remove ammonia, nitrite, and nitrate from freshwater aquariums. Nitra-Zorb™ also helps during start up by reducing unhealthy ammonia surges while est...
Selectively removes phosphate and silicate from fresh and saltwater aquariums to eliminate cloudy water. Designed to fit the API nexx FILTER.
In a new aquarium, harmful ammonia and nitrite build up from fish waste, often resulting in fish loss. The unique, patented nitrifying bacteria in API Quick Start are scientifically proven to quickly consume ammonia and nitrite to...
Improves the development of the biological filter and helps clean a dirty aquarium. Contains over 300 million live bacteria per teaspoonful. Breaks down organic compounds that cause dangerous conditions such as ammonia and nitrite...
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...
Aquarium Algaecide that is EPA-registered as reef-safe. Algaefix® Marine controls many types of algae in marine & reef aquariums. It will not harm marine fish, corals or other invertebrates and keeps marine aquariums clean and...
Silent, yet powerful, air pump. Noise suppression chambers, long-lasting diaphragm, unique precision locking base. The innovative use of expansion chambers, curved casing and tight fitting base makes RENA AIR the quietest air pump...
Measures pH, Nitrite, Nitrate, Carbonate & General Hardness. Just dip & read! 25 ct
API Tropical Flakes provide a complete and balanced diet for tropical fish such as Tetras, Angelfish, Discus, Barbs, and Guppies. Marigold and carrot enhance natural colors for beautiful, vibrant fish, and garlic boosts immune sup...
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 ...
Advanced filtration material for crystal clear water designed to fit the API nexx FILTER. Better than carbon alone! Ultimate filtration medium for crystal clear water. Bio-Chem Zorb® removes organic aquarium pollutants, including...