Quote:
Originally Posted by Baywinger
it is my understanding and I may be wrong they are for soft glass.
they are supposed to do a great job though
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Nope. I have used them for boro. They need to be used and kept wet. I think they have a tendency to scum a bit because they are inherently dirty and that is a deal breaker for me. Collectors want perfection in the lens surface. Good quality Graphite molds works so well that I dont see a need. Graphite also wears and throws off debris but it is more manageable for me. A quick wipe down before every session does the trick.