Perlite (Coarse Grade)

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Perlite is created by crushing and heating volcanic rock until it expands to create small, white, porous pieces. This lightweight material is pH neutral and is usually added to soi l mixes to increase aeration, prevent compaction and promote root growth; but we also use it as a standalone substrate for rooting cuttings or for rehabilitation. Coarse grade is approximately 3-5mm grade Show more