tazmainiendigger
Posts: 973
Joined: 11/21/2003 From: State O Maine Status: offline
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DMD, welcome to the forum! I have been tumbling for sometime now and also have run into that problem, try cerium oxide, it is a "soft" glass polish. When my copper was new I also experienced a similar situation, time seemed to solve that one! Tin Oxide as you had mentioned is a "hard glass" polish the recommended use being post 1900 clear glass, some cobalts and occasionally ambers.Try a little less polish and some extra water and a little less copper. I use straight ammonia after I take the bottle out of the tumbler and have rinsed it in cool water, then pour in 2-4 oz. give it a shake and gentle swab with a soft brush, after swishing I pour it into the next bottle to be rinsed or on a sponge and give the outside a good washing. Oher folks who tumble on the forum use muriatic acid or toliet bowl cleaner. I have not tried them yet but they swear by it... Nothing like seeing a sickly bottle clean up like new again! Happy tumbling! Taz
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