Tetra Pond Test 6 in 1 Strip, to Essential Water Quality Parameters Less Than 60 Seconds (25 Strips),White

Test strips that allow the testing of 6 water quality parameters in 60 seconds. General and carbonate hardness (GH + KH), Nitrite (NO2), Nitrate (NO3), the pH value and chlorine. Tetra Pond Test Strip6 In 1 [SNG] 25 Tests -