The Colombo Marine Iodine Test (colour 1) accurately tests the iodine content of your water.
The Colombo iodine test is easy to use, partly due to the easy instructions for use and it is also an easy-to-read test.
Regular measurement of the iodine content is important for the colors of the corals.
The optimal iodine value is 0.06 mg/l.
When used in the Mastertronic