The lightweight 8 quart Perlite soil additive is a modern and sustainable solution for improving root health and moisture in indoor and outdoor plants. Made with organic and pH-neutral granules, this amendment provides better drainage and aeration while retaining nutrients and moisture. Perfect for a variety of plants including herbs, orchids, succulents, tomatoes, and more, this sterile and non-toxic additive is a convenient way to enhance the soil in flower pots and flower beds.