This kits tests tap water and aquarium water for the five different parameters that effect the health of freshwater fish pH, High Range pH, Ammonia, Nitrite and Nitrate. Highly accurate and economical.

Unique, transparent dome allows clear view of kit contents.
Includes all tests required to test the nitrogen cycle.
Kits includes computer-calibrated and laminated color cards, 4 test tube and holding tray.
Also contains complete, step-by-step instruction booklet, including information on how to correct unsafe water conditions.
Compact to merchandise and easy to store at home.

API Freshwater Master Test Kit