Check the listing for details. Hoffman Horticultural Perlite, 8-Qt Bag (Pack of 2). Condition: New. Listed at 25.34 USD. Hoffman Horticultural Perlite improves drainage and aeration, improving and maintaining plant health. Product Details You will receive 2 (8-quart) bags of perlite lightweight soil conditionerHelps in loosening soil, reduces caking and improving drainage and aerationCan be used to start seeds, propagate cuttings and store bulbsLightweight soil conditioner (white, powdery material)Natural materials will not upset soil pH This perlite is an excellent lightweight soil conditioner to improve soil aeration. Helps in loosening soil, reduces caking and improving drainage and aeration. Can be used to start seeds, propagate cuttings and store bulbs. Blend with peat moss and perlite for custom soilless mix. Easy to open bag, and simple usage process.