Intec Tracer MaxIntec Tracer Max is a multi trace element formulation containing iron, magnesium, zinc, manganese, copper, boron and molybdenum specially design for high quality turfgrass. The application of these trace elements for complete nutritional control in managing quality turfgrass. The role of most trace elements in turf is to form enzymes to initiate or control growth. They act like switches that stimulate and activate plant function. 4% Iron, 2%