Black lava rock is a very porous rock that can be used both in African biotope, because it is a bacterial support and in aquascaping for the support of moss and epiphytic plants.

• Size: from 6 to 12 inch in average
• Black, brown-black and black-reddish coloration
• Beneficial for bacteria

*This is a natural product. There will be variation in size, shape, and weight with each piece.