Pondlab 200 Multi-test kit provides over 200 tests of 6 water parameters (pH, GH, KH, Nitrite, Nitrate anf Ammonia) with full instructions, integral test tube rack for ease of use optimum levels and suggestions for correction. Winner of the Best Test Kit Award in Koi magazine! Contains: PH 30 tests Ammonia 30 tests Nitrite 30 tests Nitrate 30 tests KH 40 tests GH 40 tests 200 tests to check water quality, essential to ensure the health and vitality of you fish. We strongly recommend regular testing of your pond water, as discovering any problem at its earliest stage, will aid in treeatment and faster recovery of your water and fish. Test tubes and stand also supplied.Colour coded labels for test tubes and caps.