Black Lava Stone is a porous aquascaping stone that is widely used for planted as well as African Cichlid tanks and is considered amongst the most sought-after aquascaping stones.
This lightweight stone can range from 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.
Black Lava Stone is inert and won't change water parameters.
2lbs is roughly 4-5 stones that range from 3-5 inches each
Availble in 10, 20, 30, 40, and 60 lbs packages.
Stones require rinsing prior to use.
The picture is for your reference only.
This product does not qualify for free shipping.