Harris Vermiculite Helps with soil aeration and drainage to keep your plants looking healthy. The Premium Horticultural Vermiculite is pH neutral， non-flammable， odorless， non toxic， and will not decay or shrink. Use with cuttings， bulbs， soil， composted bark and more. Listed with the Organic Minerals Research Institute for organic use.
Aerates soil
Improves drainage
Supports root structure to stimulate fast root growth
pH neutral， non-flammable， odorless， non toxic
Helps retain air， plant food and moisture， releasing them as the plant requires them
OMRI listed
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