Emilie Posted June 16, 2019 Report Share Posted June 16, 2019 The basin for a ceramic fountain I made seeps water from the bottom. When I leave it on a towel, it's damp after a few days. I'm looking for recommendations for how to seal it properly, and for any specific products I could use. Would I have to fire it again? Link to comment Share on other sites More sharing options...
liambesaw Posted June 17, 2019 Report Share Posted June 17, 2019 I know this might sound weird, but try mixing a teaspoon of bentonite with water and running it in your fountain for a few days. It'll be cloudy at first but will probably seal any small craze lines in the glaze that might be letting water through. It's used in ponds and such. Another option without having to refire would be sodium silicate. Same thing, mix a bit with water and run it through the fountain (or just let it sit in the basin) and it will seep into whatever voids are letting water through and plug them up. Else you're looking at epoxies which will cloud over with time since they're under water. Link to comment Share on other sites More sharing options...
Mark C. Posted June 17, 2019 Report Share Posted June 17, 2019 I only have news that to make it right you need a better clay and glaze fit-firing it again will not make that happen . What clay and what glaze and what temp did you fire it to?With that info someone here can guide you thru this to have a better outcome. Link to comment Share on other sites More sharing options...
Bill Kielb Posted June 17, 2019 Report Share Posted June 17, 2019 It might be possible to refire with a known good lowfire clear and be successful as well.. All the basics are important though. What clay, what absorption, what was it fired to originally. Link to comment Share on other sites More sharing options...
JohnnyK Posted June 17, 2019 Report Share Posted June 17, 2019 Does the basin hold a water pump? Is a hole drilled for the pump wire? Are you looking for an aesthetic fix or just a way to seal the basin? Link to comment Share on other sites More sharing options...
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