Check the listing for details. Espoma Organic Perlite, For Improving Heavy Soils, 8qts. Condition: New. Listed at 19.83 USD. Espoma Organic Perlite, For Improving Heavy Soils, 8qts PRODUCT DESCRIPTION Espoma Organic Perlite Potting Mix contains all-natural, 100% Perlite to help improve heavy soils.Product Details:For seed starting or blending a custom potting mixAll-natural, 100-percent pure perlite, no additives or fillersLoosens heavy soils and prevents compactionAerates soil and promotes root growthSafe for people, pets and the planet This product is excellent for seed starting or blending into a custom potting mix. It helps to loosen heavy soils and prevents compaction, ensuring optimal root growth. The white granular particles contain about 6% water and have a neutral pH, making them suitable for a variety of plants. Additionally, they hold nutrients and can retain 3-4 times their weight in water, promoting healthy plant development. Clean, odorless, sterile, and non-toxic, this lightweight substitute for sand will not rot or mold. However, due to its light weight, it may float to the top of potted plants.