That's great! I wonder if they move around more in their holders as they age and that is where the squeaking comes from more so then the wear surface. They are made of graphite afaik. I wonder if there are different grades or harnesses. Maybe a quieter brush that wears out faster?
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Hobby Experience: 9200ish gallons, 26 skimmers, and a handful of Kent Scrapers.
Current Tank:
Vortech Powered 600G SPS Tank w/ 100gal frag tank & 100g Sump. RK2-RK10 Skimmer. ReefAngel. Radium 20k.
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