Grodan Gro-Wool Medium Water Absorbent Granulate Rockwool, 3.5 cu ft eligible-for-discount From the household hobbyist to

From the household hobbyist to the commercial level grower

a vital component of overall plant growth and performance

• Continual testing and soil analysis ensure a consistent

covers a 2 ft x 4 ft veg footprint and eliminates the need to ever change a bulb again

Increases Phosphorus uptake

Grodan Gro-Wool Medium Water Absorbent Granulate Rockwool, 3.5 cu ft eligible-for-discount From the household hobbyist toGranulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25 50% volume increases water holding capacity and aeration, improving plant growth and shelf life. The water repellent granulates are superior substitutes for aerators such as perlite or Styrofoam. The granulate is prilled for easy mixing. Granulated rockwool as potting mix: When you use granulated