Perlite is an amorphous volcanic glass that has a relatively high water content, typically formed by the hydration of obsidian. It occurs naturally and has the unusual property of greatly expanding when heated sufficiently.
Perlite is ideal for soil conditioners. Its helps to loosen the soil and allowing the roots to grow healthy.
Perlite stones are natural minerals which are very light in weight as well as porous. Using them in soil mix increase the overall porosity of the soil.
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