Red Sea Trace Colors Pro Test KitRed Seas TRACE COLORS PRO Multi Test Kit includes advanced tests for the high accuracy measurement of iodine, potassium and iron. All of these elements are associated with many biological functions, including coral pigmentation. The TRACE COLORS PRO Multi Test Kit enables accurate dosing of three of the TRACE COLORS Supplements range, which are part of the compete Red Sea Reef Care Program. Red Seas TRACE COLORS PRO Multi Test Kit Specifications: Test