Nutrafin Master Test Kit is a complete and comprehensive test kit suitable for fresh and saltwater aquariums. It includes 10 test parameters for Phosphate, Calcium, Nitrate, Nitrite, Ammonia, pH High Range, pH Low Range, Carbonate Hardness, General Hardness, and Iron. It also has 5 glass test tubes with caps, 2 pipettes, 1 spoon and 4 instruction booklets, all supplied in a convenient carrying case made of durable plastic for extended service life and reagent protection.,