BuildASoil Small Black Lava Rock, 1/2 cu. ft.

Beautiful Small Black Lava Rock looks like small/medium perlite and is much better.

This small black lava rock comes with black lava rock powder in it and will add to the minerals in your soil

Last longer than perlite, works like perlite, and provides minerals.

Lava Rock will not shift and float to the top of your container like perlite.