Perfect Plants Perlite is an industry standard soil amendment that is know for its water management properties. This Professional Grade perlite is used in soil mixes across the board, including MiracleGro, Espoma, and even our own mixes Though there’s no nutritional value, the porous nature of perlite helps hold nutrients and moisture for roots to absorb. you can mix the Perlite in your potting mix or your seed starter before planting. Perlite can be blended with peat moss, coir, charcoal, sand, bark, and any other number of soil amendments to craft the perfect mix for any need. Your Perfect Plants Perlite comes in a heavy-duty resealable bag, perfect for storage and for keeping fresh for later use.