Contents water master measuring case - 1x plastic case K2010 blue / white lock - 1x Milwaukee MW803 watertight pH, conductivity, TDS and temperature measuring device with automatic pH, conductivity, TDS and temperature measuring function - 1x NEOMERIS buffer solution pH 4.01, +-0.01 @25°C, 1 bottle of 70ml colored red - 1x NEOMERIS buffer solution pH 7.00, +-0.01 @25°C, 1 bottle of 70ml colored green - 1x NEOMERIS buffer solution pH 10.01, +-0.02 @25°C, 1 bottle of 70ml colored yellow - 1x NEOMERIS conductivity calibration solution EC 1413 μS/cm, +-1% @25°C, 1 bottle a 70ml - 1x NEOMERIS conductivity calibration solution EC 12880 μS/cm, +-1% @25°C, 1 bottle of 70ml - 1x measuring beaker 50 ml - 1x Duroval B, measuring range: 0-2 °dH - 1x Testoval Chlorine DPD color comparison set - 1x Testoval Iron (II) + (III) dissolved - color comparison kit - 1x Duroval A, measuring range: 0-30 °dH