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A form of volcanic glass, baked to form a light weight and PH neutral growing medium. It is very effective in allowing more air into the root zone while improving drainage.

  • Perfect for short term soil aeration

  • Improves drainage

  • Naturally sterile 

  • Unique moisture exchange property 

  • Resists soil compaction

Growers Tips:

  • When making a new soil blend use at 20-30% of base mix for good soil structure, aeration and drainage.

  • To make your own seedling start substrate mix 1 part perlite to 3 parts coco-peat or peat moss. Inoculate with Explogrow and Forest Roots Molasses for explosive germination.