Salutations Hi Im new to all this but trying and having a great time-all the info on here has been a great help-heres the problem-I have all these tiny sea urchin shells that Im trying to make small tea candles out of but they just go up in flame-they are pourus(thought the light would look cool throu them) any advice help insperation would save me thanx!!! P.S I was wondering if there was some type of spray treatment if nothing else thats non flamable