Please Ensure Water Sample is as Clear as Possible Prior to Testing for Best Results

Step 1

Fill a clean test tube to the line with 5ml of aquarium water.

Step 2

Add 5 drops of reagent vertically, cap the test, and shake well for 5 seconds.

Step 3

Wait 3 minutes for the color to develop.

Step 4

Place the test tube on the white part of the label and compare against the color chart.