- Milltown Merchants Frag Rock and Plug Set
- Frag Rock includes 5 removable textured reef plugs for establishing multiple coral colonies
- Textured external structure promotes coralline algae growth to help maintain a healthy environment for your fish
- Natural look that blends perfectly with your reef tank
- Frag Rock and plugs have been fired at 2000 degrees and do not need to be soaked prior to use - no curing required!