API GH & KH test kit LED The resin body is tough

The resin body is tough to withstand accidental knocks and also protects the glass sensing bulb

Uses MA840 reinforced polarographic probe with an oxygen-permeable polytetrafluroethylene (PTFE) membrane sensor

During this time

PURE : NOT AFFECTING PH

Height: 19

API GH & KH test kit LED The resin body is toughWhen keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat. The API GH & KH TEST KIT helps you duplicate the natural habitat of your fish to prevent stress, keeping them healthy! Contains 2 test bottles, easy to ready instructions, and glass test tubes