Description
Red Lava Rock 10 Pounds 3 4" 1 1 2'' Volcanic Lava Stones for Indoor Outdoor Fire Pits Fireplaces Gas Grill and Landscaping G424 6C Dimensions: 16 7 8” x 6 Dimensions: 16 7 8” x 6 9 16" 8 pcs 15 7 8" long Lava Rocks size ranges from 1 2" to 1 1 2" Available in Black or Red 10 Pounds a set Calculating How Much Lava Rocks You Need Square Rectangular Fire Pit Width (Left & Right) x Depth (Front to Back) = Square Inches Then Divide the Square Inches you have by 16 = Number of Pounds you'll be needing to get how many pounds of Lava Rocks you'll be needing (This is calculated for the optimal depth for Lava Rocks of 2" Deep)