| Elaine, Other people are making food safe bowls from their cement creations but some of what people do and sell is proprietary. Certain liquid floor waxes can be used. I've added a link to a concrete countertop sealer. Did you look at the cement or concrete associations web sites for information on sealing? Did you try using a heat gun on your wax concoction? Billie |
Here is a link that might be useful: sealer