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Perlite, vermiculite, and zeolite are among the most popular soil additives in gardening and are often offered together.

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 often found in potting mixes and can also be purchased in bags for use as a soil amendment. Look for this ...

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," ...