Instruction.Iodine Test

Fill the test vial with 5 ml of water.

Add 5 drops of I 2-A.

Add 8 drops of I 2-B.

Swirl gently for 10 seconds. Let stand for 30 Seconds.

Place the test vial on the white part of the color chart and compare colors looking from top.The Phosphate values are in ppm (mg/L).