Perlite is a volcanic glass that is often used in gardening due to its lightweight, porous nature that aids in healthy plant development. "It is made from a type of volcanic glass called obsidian," ...
Perlite, a volcanic rock, is a common ingredient in potting mixes. It improves drainage, aeration and water retention in soil. Perlite is lightweight and can be added to in-ground gardens, but it's ...
Perlite is a material commonly found in potting mixes. It is a volcanic glass with a fairly high water content. Perlite expands explosively when heated. Perlite is used in the ceramic industry to ...
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