FRESH WATER ONLY brand new Hanna HI715 ammonia checkers range 0.0 - 9.99 ppm
It is ideal for aquariums and can also be used in education or to test water quality anywhere. The test ranges from 0.00 to 9.99 ppm NH. Accurate from ±0.05ppm ± 5% of reading. Ammonia LR reagents starter kit.