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 8 drops of reagent 1 vertically.

Step 3

Add 8 drops of reagent 2 vertically.

Step 4

Cap the test tube & shake well for 5 seconds.

Step 5

Wait 5 minutes for the color to develop.

Step 6

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