Grodan Stonewool MacroPlugs General Hydroponics • EC less than 0

• EC less than 0

and tilting head to direct air where you need it most

It can be used on fruit and vegetable crops as well as for ornamental or turfgrass applications

remove the brushes and fill the container with your preferred cleaning solution

Grodan Stonewool MacroPlugs General Hydroponics • EC less than 0MacroPlugs are 1. 5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro Block hole. For best results, always insert MacroPlugs in a tray with individual cells. The individual cell will make sure the plug stays closed around the stem of your cutting.