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API Phos-Zorb for the API Nexx and Rena SmartFilter selectively removes ammonia, nitrite, and nitrate from freshwater and saltwater aquariums. It also removes phosphate, a by-product of fish...

API Bio-Chem Zorb (formerly branded Rena Bio-Chem Zorb) is the most scientifically-advanced filter media available. Use Bio-Chem Zorb for sparkling clean water and healthy fish!Removes organic waste,...

Aquarium Pharmaceuticals Aquarium Salt is an all natural salt, made from evaporated sea water, promotes healthy gill function, reduces stress and loss of electrolytes. Used to improve the efficiency...

The API Freshwater Hardness GH and KH Test Kit tests tap water and freshwater aquariums for general hardness (GH) and carbonate hardness (KH). Keeping these factors properly balanced creates a more...

API Freshwater Master Test Kit is a complete test kit for testing tap and aquarium water. Tests five different potentially dangerous water conditions.Water Test Kit for Freshwater AquariumsTests: pH,...

Replacement box of 24 test tubes and caps by Aquarium Pharmaceuticals. For use in all Aquarium Pharmaceuticals water test kits where the original tube has been lost or damaged.Includes 24 test tubes...

Nitrite NO2 - Test Kit for Fresh Water / Salt Water monitorS nitrite to help prevent fish loss. Fast, accurate and easy-to-use. This Fresh Water Nitrite Test Kit contains dropper bottle, test...

The API Ammonia Test Kit measures ammonia levels in both fresh and saltwater aquariums. Ammonia, the number one killer of tropical fish, is continually produced in the aquarium from fish waste,...

Nitrate buildup in aquariums is often an indicator of declining water quality. High levels of nitrate are frequently associated with poor fish health, algae growth, and a build-up or organic...

Aquarium Pharmaceuticals Aquarium MelaFix heals open wounds and abrasions, treats fin and tail rot, eye cloud, mouth fungus and promotes regrowth of damaged fin rays and tissue. For use in freshwater...

API Algae Eater Premium Algae Wafers for Algae Eating Fish was formulated with a rich blend of algae including spirulina for essential micronutrients and optimal health.Contains pea protein which is...

API Ammo Lock works instantly to detoxify ammonia produced by fish waste, and remove chlorine and chloramine from tap water, while eliminating ammonia stress and protecting healthy gill function...