PVP Industries® Horticultural Grade Perlite - 4cu ft - Coarse - OMRI Listed

PVP Industries® Horticultural Grade Perlite - 4cu ft - Coarse - OMRI Listed PVP Industries® Horticultural Grade Perlite is a clean, sterile, pH neutral medium used to improve soil structure and support strong root development in a variety of growing systems. It does not decay, shrink, or support pests, and mixes easily with compost, natural soils, peat moss, coco coir, or bark to enhance aeration and water management. This lightweight, nonflammable, and chemically inert material provides predictable performance for horticultural use and is also suitable for select construction and industrial applications due to its absorption and fire resistant properties. Common Uses: Coarse Perlite is most commonly used in professional soil mixes and hydroponics. It's also been used as insulation, spill cleanup, aggregate in cement, textured coatings, etc. Chemical Analysis Silicon dioxide (SiO₂) 73.63% Aluminum oxide (Al₂O₃) 13.33% Potassium oxide (K₂O) 4.72% Sodium oxide (Na₂O) 3.83% Calcium oxide (CaO) 0.78% Iron oxide (Fe₂O₃) 0.75% Magnesium oxide (MgO) 0.05% Properties Moisture Content: < 0.5% pH Range: 6.5-7.5 Bulk Density: 4-6lb per cu ft