Vermiculite
This is a medium that is like Perlite. Vermiculite is a Naturally occurring hydrated magnesium iron aluminum silicate mineral, that gets heated up in a furnace, then it expands and takes on a concertina shape.
This is a medium that is like Perlite. Vermiculite is a Naturally occurring hydrated magnesium iron aluminum silicate mineral, that gets heated up in a furnace, then it expands and takes on a concertina shape.
