I recently came across some limestone rocks that would be perfect for my tank, but am afraid that they will release minerals into the water over time. So my question is would it be safe/ effective to seal the rocks with a coating of polyeurethane. Thanks for any help or suggestions.
how to seal up rocks
- Thread starter tj.yates84
- Start date
use drylock and ten you can make the rocks look whatever color you want its espically good if you have a diy background you can make the rocks match