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Post by Starguy on Feb 17, 2019 12:02:11 GMT -5
I use an old window screen and pressure washer, (spray bottle). Very little water. The 5 gallon bucket can handle several clean outs. All the heavy stuff settles to the bottom of the bucket and gets dumped once a month or so. All clean outs are done in the basement. It’s too cold here for outdoor rock work. The rocks at upper right may be ready for 220. I always reinspect them when they are dry. They’re not ready for fine until they are dry and ready. The rocks on the left need a little grinding then another week in 60/90.
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jimaz
spending too much on rocks
Member since July 2018
Posts: 461
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Post by jimaz on Feb 17, 2019 13:53:48 GMT -5
Fiberglass screen? If not, how are you keeping from getting markings from the metal?
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Post by Starguy on Feb 17, 2019 14:00:41 GMT -5
jimazI’m pretty sure it’s fiberglass. It doesn’t leave metallic marks. The spray bottle works really good and minimizes the amount of water going into the bucket.
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Post by Rockoonz on Feb 17, 2019 14:21:55 GMT -5
Only older screens are metal, the nylon or fiberglass or whatever, is what you find on newer ones. That's a brilliant idea.
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Post by grumpybill on Feb 17, 2019 16:56:12 GMT -5
I use stainless steel bowls and strainers when I sort and clean. jamesp uses steel hoppers in his modified vibe. Think about it: steel is softer than most of the stones we tumble. So, any metallic marks you see are metal that became embedded in scratches on the stones. As the next stage removes those scratches, the metal is also removed.
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Post by HankRocks on Feb 17, 2019 17:01:21 GMT -5
I use stainless steel bowls and strainers when I sort and clean. jamesp uses steel hoppers in his modified vibe. Think about it: steel is softer than most of the stones we tumble. So, any metallic marks you see are metal that became embedded in scratches on the stones. As the next stage removes those scratches, the metal is also removed. Agree, I use a large steel mesh kitchen strainer on all washouts, even the polished/burnished rocks, no issues.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,154
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Post by jamesp on Feb 18, 2019 4:04:17 GMT -5
I use stainless steel bowls and strainers when I sort and clean. jamesp uses steel hoppers in his modified vibe. Think about it: steel is softer than most of the stones we tumble. So, any metallic marks you see are metal that became embedded in scratches on the stones. As the next stage removes those scratches, the metal is also removed. Some stainless screens and strainers will mark your rocks. Hard stainless is used commonly in kitchenware and normally will not mark rocks, food grade industrial stainless is soft and will readily leave marks on your tumbles. Modern windscreen is often a coated textile product of some sort similar to fiberglass as Starguy and Rockoonz mentioned. grumpybill, I have no idea why the steel vibe hopper does not leave marks on the tumbles. The walls of the hopper sure gets polished though. And the slurry turns grey from steel abrading from the hopper walls and then rust colored in a day as a batch is running.
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