Tetra Quick Test 6 in 1 test kit provides a complete pond quality testing faciltity for when time and water quality are a factor. Good water quality is the key to healthy fish and trouble free pond keeping. Traditional methods of testing the water can take time, and are not ideal for situations where time a factor, or when frequent testing is necessary, for example in newly established ponds. The TetraTest 6 in 1 dip test gets around this by testing for 6 essential water quality parameters in less than 60 seconds. How To Use. Simply dip one strip into the pond Within a minute you will have readings for Nitrite, pH, KH, Carbonate & general hardness, Chlorine and Nitrate levels. After 60 seconds compare the remaing test fields against the scale provided.