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No tools required
increase plants' natural defenses and heighten overall vitality
and a self-sealing fitting
• Mechanism snaps into many enclosures for easy upgrading
Grodan Gro-Wool Medium Water Absorbent Granulate Rockwool, 3.5 cu ft chillers-heaters-and-purification No tools requiredGranulated 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
