Grodan Gro-Wool Medium Water Absorbent Granulate Rockwool, 3.5 cu ft lighting-&-electrical-components Cheap in price by not

Cheap in price by not in strength and uniformity

From towering racks to multi-tiered rolling tables

Suitable for airstream temperatures up to 140°F (60°C)

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and the ability to place lights closer to the canopy without heat stress — all of which contribute to faster growth cycles and improved crop quality

Grodan Gro-Wool Medium Water Absorbent Granulate Rockwool, 3.5 cu ft lighting-&-electrical-components Cheap in price by notGranulated 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