Bulk perlite for professional use – 120 quart – 4 cubic foot weighing 20 lb. Horticultural perlite is clean, sterile, pH neutral, non-flammable, odorless, nontoxic & neither decays nor shrinks – even pests such as insects & fungi can’t destroy it. When bulk perlite is mixed with organic compost, natural soils or composted bark, it helps anchor the roots of young plants so they grow stronger. While horticultural perlite does retain water & food for the growing plants, It is best used for drainage purposes. A good potting soil should contain at least 25% perlite for proper drainage. Horticultural perlite is a lightweight substitute for sand & is very useful in a hydroponic gardening systems. Additionally, it is perfect for seed germination & cutting propagation.
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