Vermiculite and Perlite Aren't Interchangeable—Here's How to Use Each One
Vermiculite has numerous benefits. “It absorbs and holds more moisture than perlite, keeping the soil damp for longer periods ...
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What is Soilless Potting Mix?
Much of the porosity is thanks to two ingredients: perlite and vermiculite. Perlite is the white stuff in the potting mix. It’s actually superheated and “popped” Obsidian, a type of volcanic ...