Check the listing for details. Perlite Coarse Size 3, Larger Volume 2 –4 Gal, Seed Starting, Hydroponics, Mixes. Condition: New. Listed at 20.50 USD. Pahroc …This family operation has been manufacturing perlite in Nevada since 1958. They take pride in their products and plan on leading the perlite field for generations. Their goal … is to make the cleanest, most uniform perlite in the world. They don't want to deliver a "bag of dust". Perlite adds drainage, retains moisture, and facilitates air for plants that thrive in an airy, loamy soil environment.Perlite comes in different size, for different applications. Bog type plants (venus fly traps, butterworts, ect.) need a smaller particle size. Succulents and cactus do well with the coarse #3 size (this product). The larger size is perfect for plants needing faster drainage, more air, and larger pots. This Offering …. delivers the same outstanding “Pahroc”, coarse, size #3 product but in large, economical volumes. Returns … are accepted in accordance with Ebay policies, and at no cost to the buyer.