Black Lava Stone

Hermit Crab climbing decorative natural rock or to be used in aquascaping for aquariums. Sold by the pound, if you request certain dimensions for your rocks, please let us know by email or chat. 

Black lava stone is a porous and inert rock that looks great in any set up. It has the ability to grow beneficial bacteria and help with tank health due to it's high surface area. Lava stone may contain iron, biotite mica, amphibole, pyroxene, olivine, and calcium feldspar. This stone is inert and should not affect your water chemistry's hardness or pH.

Each unique piece varies in dimensions. You are not getting the exact pieces show.

Clean, but rinse really well before use.

NEVER BOIL ANY ROCKS, THEY WILL EXPLODE.