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  • Improves aeration and draining
  • Stimulates root growth
  • Almost neutral pH
  • Holds moisture without becoming soggy




Perlite is a naturally occurring volcanic glass formed by water mixing with obsidian. It has the unusual property of greatly expanding when heated.  The expanded material is a brilliant white. For gardeners, it makes compost more open to the air, while still having good water-retention properties. It can be used in a variety of ways - mixed into our compost to increase the aeration or used on its own for ie root cuttings.

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