Esha Aqua Quick Test Strips C12 NO2 NO3 PH KH GH/TH Aquarium Water Test Kit
With the eSHa AQUA-QUICK-TEST you can monitor five values which are crucial for good water quality: pH (acidity), KH (carbonate hardness), GH (general hardness), nitrite (NO2) and nitrate (NO3). eSHa AQUA QUICK TEST KIT.