HydroCoco 60/40Gold Label Hydrococo and Coco is an ideal medium for high water capacity, lower watering frequency and better rooting. It utilizes the 8 16mm Hydrococo from Gold Label and the purest Gold Label Coco to give to give you the perfect ebb and flood growing media which also works well in any pot based systems. The 60 40 mix allows you to feed less frequently than in straight Hydrocorn and gives a buffer on the watering times. Works perfectly in Autopots