Lava Rock for Outdoor Firepits, 7 LB.

7 pounds of decorative lava rock for use in outdoor gas firepits. Can be used alone on top of the burner or as a decorative bed for gas logs. Improves the overall appearance of firepits and increases the gas dispersal for more realistic flame patterns.

FPR7 Lava Rock = 7 lbs (APPROX. USAGE)
it takes 3 bags to cover the diameter of a 24" pit 1" depth
it takes 4 bags to cover the diameter of a 30" pit 1" depth
it takes 7 bags to cover the diameter of a 36" pit 1"depth
it takes 13 bags to cover the diameter of a 48" pit 1" depth