API pH. pH control is imperative to prevent the harmful effects of overly alkaline or acidic aquarium water on fish and plant life. * For fresh water. * Tests pH levels from 6.0 to 7.6. Approximately 250 Tests. 1 Bottle Kit.
API Nitrite. Toxic nitrite is produced by nitrifying bacteria in the biological filter as it breaks down ammonia. * For fresh & salt water *Reads nitrite levels for 0 to 5 ppm Approximately 180 tests. 1 Bottle Kit.
API Nitrate. High levels of nitrate are a food source for unwanted algae and indicate poor water quality and health problems for fish. * For fresh & salt water * Test nitrate levels from 0 to160 ppm Approximately 90 Tests. 2 Bottle Kit.
API Ammonia. Ammonia, the number one killer of tropical fish, is continually produced in the aquarium from fish waste, decomposing plants and uneaten fish food. * For fresh & salt water * Mercury-free, salicylate test * Tests ammonia levels from 0 to 8ppm Approximately 130 Tests. 2 Bottle Kit.
API Freshwater Master. This 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. Highly Accurate and economical. * Unique, transparent dome allows clear view of kit contents * Includes all tests required to test the nitrogen cycle * Kit includes computer-calibrated and laminated colour cards, 4 test tubes 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 Approximately Over 800 Tests. 7 Bottle Kit.