Polished black rocks are suitable for electric fireplaces, and may be used in place of included media kits. This 8-pack of black rocks combines 20 lbs of 0.5 to 1.0 inch diameter plus 20 lbs of 3 to 4 inch diameter. Black rocks with diameters of 3 to 4 inches will fit into electric fireplaces with an overall depth of 6 inches or greater. Use on their own or blend the black rocks with crystal media kits. This 4-pack will fill 12-inch-deep fireplaces up to 100-inches wide. If your fireplace is shallower or smaller, you will need less rocks. **Not suitable for gas or wood-burning fireplaces.
Polished Black Rocks for electric fireplaces – mixed sizes 8-pack specifications
Overall Size | 8 @ 5 lb bags |
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