[Mike K]

Going through the 2nd hand books at the Op shop, I found a large work on pottery for the hobbiest. Yes, they do use silica powder as a glaze .. it's normally used in a mixture with 3 or 4 other ingredients .

Now all we have to do , is find a bulk supplier . It's probably available in 10kg bags . I feel this is a cheaper option than the exhorbitant prices the paint retailers charge for flatening base .

mike