Polished black rocks are suitable for electric fireplaces, and may be used in place of included media kits. This 6-pack of black rocks combines 10 lbs of 0.5 to 1.0 inch diameter plus 10 lbs of 2 to 3 inch diameter plus 10 lbs of 3 to 4 inch diameter. Black rocks with diameters of 2 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 6-pack will fill 12-inch-deep fireplaces up to 74-inches wide. If your fireplace is wider or deeper, you will need more rocks. **Not suitable for gas or wood-burning fireplaces.
Polished Black Rocks for electric fireplaces – mixed sizes 6-pack specifications
| Overall Size | 6 @ 5 lb bags |
|---|
