Tetra Pond Test 7-in-1 Water Test for The Pond, Quick and Easy Checking of Water Quality in The Garden Pond, 1 Can (25 Test Strips)

Water test for quick and easy checking of the 7 most important water values in one stepMeasures pH, total and carbonate hardness (GH + KH), nitrite (NO2-), nitrate (NO3 -), chlorine (Cl2) and carbon dioxide (CO2)Directions for use: Immerse test strips in the water, swirl for 2 seconds, shake off and compare the colour scale after 60 secondsDetailed information and tips on any necessary countermeasures in the instructions for useTip: With the Tetra Aquatics app, you can determine water values quickly and safely - easily with your smartphone