Grodan Stonewool MacroPlugs Bio-Turf This unit is designed to

This unit is designed to produce up to 600 pints per day of ultra-fine mist

It works directly on seeds and roots to create vigorous roots and robust plants

this 5 gallon extraction machine utilizes the most advanced technology in the extraction industry

You can use Grow-Cubes in any size pot and in many different growing systems

Grodan Stonewool MacroPlugs Bio-Turf This unit is designed toMacroPlugs 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.