Natural Color Aquarium Black Lava Rock- 15-25cm (kg)

Aquarium Black Lava Rock is a porous aquascaping stone that is widely used for planted as well as African Cichlid tanks. This lightweight stone can range from a dark black to reddish-brown coloration. The porosity makes it suitable for use as aquarium filtration as the tiny holes provide surface area for beneficial bacteria to colonize. Size: Approx 15-25cm Note: Stones are all natural, so the size, shape, and weight of the stones may not match. -Due to manual measurement, please allow some error. Make sure you don't mind before bidding. -Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks!