Black Lava Rock

Highly porous Black Lava Rock for freshwater aquascapes and vivariums. Lightweight volcanic hardscape providing maximum surface area for beneficial nitrifying bacteria and secure anchoring for plants and moss. Natural black color darkens when wet for dramatic contrast against green plants.

Available in 4, 7, 13, and 20 lb boxes. Piece count and average piece size vary with box weight; larger boxes include a mix of medium and larger statement pieces.