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Vermiculite is a naturally-occurring mineral composed of shiny flakes resembling Mica. It is produced in different grades or sizes. When heated to high temperature, vermiculite flakes expand 8-30 times their original size (a process called exfoliation) an ...
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Exfoliated vermiculite is an excellent germination and potting medium for gardening and horticulture, it can also be mixed with other mediums. Exfoliated Vermiculite is sterile and therefore needs to have nutrients added to the growing mixture. Exfoliated ...
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