Product Code: RAP01034
The Aquarium Pharmaceuticals Freshwater Master Test Kit tests tap water and aquarium water for five different parameters that affect the health of freshwater fish: pH, High Range pH, Ammonia, Nitrite and Nitrate. Over 800 tests. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RAPI01032
The Aquarium Pharmaceuticals (API) Replacement Test Tubes are for use with the API liquid test kits. Includes cap. 24 Pack.

Product Code: RAPI01032-3
The Aquarium Pharmaceuticals (API) Replacement Test Tubes are for use with the API liquid test kits. Includes cap. 3 Pack.

Product Code: RAPI01032-6
The Aquarium Pharmaceuticals (API) Replacement Test Tubes are for use with the API liquid test kits. Includes cap. 6 Pack.

Product Code: RAP13402
The Aquarium Pharmaceuticals Reef Master Test Kit provides highly accurate testing for calcium, KH, phosphate and nitrate. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RAP13401
The Aquarium Pharmaceuticals Saltwater Master Test Kit is a complete kit for testing marine aquarium water Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RAP12069
The Aquarium Pharmaceuticals (API) Calcium Test Kit kit allows you to easily and accurately measure calcium levels and maintain a healthy reef aquarium.

Product Code: RAP00127
The Aquarium Pharmaceuticals (API) High Range pH Test Kit is used to measure pH changes in marine aquariums, aquariums with African cichlids, and very alkaline tap water. 160 tests per kit.

Product Code: RAP00086
The Aquarium Pharmaceuticals (API) Ammonia Test Kit provides a quick and accurate way to test for the presence of ammonia. 25 strips. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RAP00018
The Aquarium Pharmaceuticals (API) Nitrate NO3 Test Kit measures nitrate levels in both fresh & saltwater aquariums. 90 tests per kit. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RAP12063
The Aquarium Pharmaceuticals (API) Phosphate Test Kit measures phosphate levels in both fresh & saltwater aquariums. Tests nitrate levels from 0 to 10 ppm. 150 tests per kit. Note: We can not ship this Test Kit expedited or to Hawaii, Alaska or Puerto Rico

Product Code: RAP01059
The Aquarium Pharmaceuticals (API) KH Carbonate Hardness Test Kit tests tap water & fresh or saltwater aquariums for carbonate hardness (KH).

Product Code: RAP00128
The Aquarium Pharmaceuticals (API) pH Test Kit tests pH from 6.0 to 7.6 in freshwater aquariums. 250 tests per kit.

Product Code: RAP00126
The Aquarium Pharmaceuticals (API) Nitrite NO2 Test Kit tests for nitrite in freshwater & saltwater aquariums. 180 tests per kit.

Product Code: RAP01058
Includes everything you need to measure the general and carbonate hardness of your aquarium water.