Supreme Perlite 3 Pack Medium Horticultural Perlite for Potting Soil, 4 Cu Ft

Give your plants the foundation they need with Supreme Perlite, a medium-grade horticultural perlite available in a convenient 3 pack. Each large 4 cubic foot bag delivers consistent, clean volcanic perlite that improves potting soil structure, enhances drainage, and promotes strong root development for both indoor and outdoor gardening.

Whether you're mixing potting soil for succulents, cactus, orchids, or tropical plants, this perlite blends seamlessly with coco coir, compost, worm castings, and organic soil amendments to create the ideal growing environment. The medium particle size — around 1/4 inch or 4 to 5 mm — ensures even distribution throughout your mix for reliable aeration and consistent moisture balance across every layer of soil.

Supreme Perlite is expanded volcanic rock that is naturally sterile, odorless, pH neutral, and non-toxic, making it a safe and clean choice for seed starting, propagation, and organic gardening. Its lightweight structure creates air pockets in dense soil, preventing compaction and allowing roots to breathe, grow, and access nutrients more effectively throughout the growing season.

Each bag holds 102 dry quarts of bulk perlite, giving home gardeners and professional growers the volume needed for large-scale potting, raised beds, lawn topdressing, and specialty plant mixes. Use it alongside bone meal, liquid fertilizer, or coconut coir to build a complete, nutrient-rich growing medium for vegetables, seedlings, and mature plants alike.

Supreme Perlite is OMRI Listed for organic agriculture, meaning it meets strict standards for use in certified organic gardening and farming. Trusted by growers across all experience levels, it delivers the same consistent quality bag after bag, whether you're starting seeds indoors, building raised garden beds, or blending a custom outdoor soil mix from scratch.

• 3 pack of 4 cubic feet bags (12 cubic feet in total) of medium horticultural perlite ideal for potting soil, seed starting, propagation, and general organic gardening
• Blend of fine and medium particles provides balanced aeration and moisture retention for healthier root development
• Medium-size perlite, approximately 1/4 inches (4-5 mm) or smaller, is perfect for seedling mixes and finer potting blends
• Clean, sterile, lightweight, and pH neutral, making it suitable for a wide range of plant varieties and soil types
• Excellent for mixing into garden beds, hydroponic systems, cactus and succulent soil, tropical blends, and propagation trays
• OMRI Listed for organic use and made from natural expanded volcanic perlite that is odorless, non-toxic, and asbestos-free
• Ideal for professional growers, hobby gardeners, and plant enthusiasts needing a bulk supply of quality perlite
• Material: Perlite
• Color: White/Off-White
• Dimensions (L x W x H): 38 x 20 x 8 inches
• Weight: 24 pounds
• Quantity: 3

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