Tetra Test 6 in 1 Test Strip – a dip test for checking 6 water quality indicators in just 60 seconds. –
Tests for pH Nitrite Nitrate KH (carbonate hardness) GH (general hardness) and chlorine
Easy and quick to use – 6 readings in 60 seconds.
25 Strips. Simply dip the test strip in the water for a few seconds and then wait a minute for it to change colour.