A naturally occurring non-toxic, natural volcanic rock which is heated to a high temperature to produce a lightweight micro-porous structure. Perlite can be used as a soil amendment or alone as a medium for hydroponics or for starting cuttings. When used as an amendment it has high permeability and able to absorb and hold vast quantities of air and moisture which improves aeration, drainage and prevent soil compaction. Stable and long lasting.
Size: Approx. 5L