<p class="MsoNormal">Espoma Organic Perlite Potting Mix contains all-natural, 100% Perlite to help improve heavy soils.</p><p class="MsoNormal">Product Details:</p><ul><li>For seed starting or blending a custom potting mix</li><li>All-natural, 100-percent pure perlite, no additives or fillers</li><li>Loosens heaby soils and prevents compaction</li><li>Aerates soil and promotes root growth</li><li>Safe for people, pets and the planet</li></ul> <p class="MsoNormal">Espoma Organic Perlite is a lightweight volcanic granular material that helps improve heavy soils and potting mixes. Perlite naturally creates pore space in soils that allows air and water to penetrate and prevents soil compaction.</p>