API

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

Aquarium Pharmaceuticals Calcium Test Kit Liquid allows you to easily and accurately measure the calcium level and maintain a healthy aquarium.   ...

Aquarium Pharmaceuticals Fresh/Salt Water Carbonate Test Kit measures carbonate hardness, the measure of carbonate and bicarbonate concentrations i...

Aquarium Pharmaceuticals' Copper Test Kit tests copper levels in water from 0 to 4 ppm, and measures both free and chelated copper. Always monitor ...

The API Freshwater Hardness GH and KH Test Kit tests tap water and freshwater aquariums for general hardness (GH) and carbonate hardness (KH). Keep...

API Freshwater Master Test Kit is a complete test kit for testing tap and aquarium water. Tests five different potentially dangerous water conditio...

Nitrate buildup in aquariums is often an indicator of declining water quality. High levels of nitrate are frequently associated with poor fish heal...

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 Ni...

Aquarium Pharmaceuticals' High Range pH Test Kit helps you ensure a healthy environment for your fish in both fresh and saltwater aquariums. Proper...

Aquarium Pharmaceuticals pH Test and Adjuster Kit monitors your aquarium water pH with extreme accuracy, and includes API pH UP and pH DOWN to perf...

Aquarium Pharmaceuticals Phosphate Test Kit allows you to easily and accurately measure the phosphate level and maintain a healthy aquarium or pond...

The API Pond Master Test Kit is a complete kit for testing tap water and pond water. This fast, easy, and accurate kit measures pH, ammonia, nitrit...

The API Marine Reef Master Test Kit tests the most important aquarium levels. Tests Calcium, Carbonate hardness, phosphate, and Nitrate levels quic...

The API Saltwater Master Test Kit for marine aquariums contains everything you need to measure the most important levels in your water with scienti...