BBQ Guys Lava Rock - 25 Lbs

25 lbs of black lava rock. This item is perfect for outdoor fire pits. The following are recommendations only for the amount of rocks one needs for various firepits: It takes 1 bag to cover the diameter of a 24 inch pit 1 inch in depth. It takes 1.5 bags to cover the diameter of a 30 inch pit 1 inch in depth. It takes 2.5 bags to cover the diameter of a 36 inch pit 1 inch in depth. It takes 4 bags to cover the diameter of a 48 inch pit 1 inch in depth.