Supreme Perlite Medium Horticultural Perlite for Potting Soil Mixes, 4 Cu Ft Bag

Supreme Perlite Medium Horticultural Perlite is a professional-grade soil amendment designed to support healthy plant growth in a wide range of gardening applications. This large 4 cubic foot bulk bag provides an excellent supply for growers, greenhouse operators, and home gardeners who rely on consistent, high-quality perlite for potting soil blends, seed starting trays, hydroponic systems, propagation work, and specialty plant mixes.

This medium-particle perlite contains a blend of fine and mid-sized grains, typically around 1/4 inch (4-5 mm) or smaller, creating an ideal balance of aeration and moisture retention. The improved airflow supports stronger root development, helps prevent soil compaction, and encourages faster, healthier plant growth. It is particularly well-suited for seedling mixes, tropical and aroid soil blends, cactus and succulent substrates, and potting mixes that require increased water-holding capacity without sacrificing drainage.

Made from natural expanded volcanic perlite, this product is clean, sterile, lightweight, and pH neutral. It is completely odorless, non-toxic, non-flammable, and asbestos-free, making it safe for both indoor and outdoor gardening environments. Whether you’re mixing soil for houseplants, building raised bed blends, refreshing container gardens, or propagating cuttings, this perlite contributes to a consistently airy, workable medium.

Supreme Perlite is OMRI Listed for use in organic agriculture, giving growers confidence in a high-quality amendment that meets strict organic standards. From potting mixes to propagation and beyond, this perlite delivers durability, consistency, and performance you can count on.

• 4 cubic feet bag 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

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