Tetra Test 6-in-1 Strips Aquarium to Test 6 Essential Water Quality Parameters in Less Than 60 Seconds, Pack of 25

Tetra Test 6-in-1 to check the six most important aquarium water values in one step Measures the pH, general and carbonate hardness (GH + KH), nitrite (NO2-), nitrate (NO3-), and chlorine (Cl2) Dip the test strips into the water, swirl them in the water for one or two seconds, shake off any excess water and read off the most important information about the water values just 60 seconds later pH - The pH value of the water indicates the acid or base concentration that is important for the health of the fish. A pH value between 6.5 and 8.5 is tolerated by every freshwater fish species KH - KH acts as a pH-buffer and the favourable KH values are between 3 ° and 10 °dH Tetra Test 6-in-1 to check the six most important aquarium water values in one step Measures the pH, general and carbonate hardness (GH + KH), nitrite (NO2-), nitrate (NO3-), and chlorine (Cl2) Dip the test strips into the water, swirl them in the water for one or two seconds, shake off any excess water and read off the most important information about the water values just 60 seconds later pH - The pH value of the water indicates the acid or base concentration that is important for the health of the fish; a pH value between 6.5 and 8.5 is tolerated by every freshwater fish species KH - KH acts as a pH-buffer and the favourable KH values are between 3 ° and 10 °dH