The Planted Tank Forum - View Single Post - Easy and great idea for tube cleaning! Let me know what ya think
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post #4 of (permalink) Old 02-18-2013, 07:17 PM
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Join Date: Mar 2012
Location: NYC/NJ
Posts: 205
The metal brushes are typically brass, soft enough to not scratch the harder steel of the barrel/rifling - but I wouldn't want to send that through anything plastic, even with a cloth over it.

Thinking along these same lines though, we used to use what was essentially a handkerchief tied to a string to clean woodwind instruments ... that would probably be safer (and cheaper).
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