Premium 100L Horticultural Grade Perlite Large 100L bag of high-quality, 2–4mm perlite designed to improve root health, drainage and substrate structure in all growing systems. Prevents Compaction & Overwatering Keeps soil or coco open and free-draining, reducing the risk of waterlogging and root rot while supporting healthy microbial activity. Ideal for Soil, Coco, Hydroponics & Propagation Perfect for potting mixes, seedlings, cuttings, raised beds, hydro systems and general soil conditioning.d drainage Enhances Aeration for Faster Root Development Creates an oxygen-rich environment that helps roots grow stronger, spread faster and absorb nutrients more efficiently. Lightweight, Clean & Easy to Mix Sterile, inert and pH-neutral — safe for beginners and professionals. Easy to blend with other substrates for custom mixes.