Carbon Fiber Brushes


I've worn out 2 of these in the last year. Is this normal? Please opine on the best brush out there.
jphii
I've been using it since beta too. The first brush wore out before that started. I think I'm going to try something other than a Decca and see what happens.
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Just a clarifying post:
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I am more than happy with my Audio Intelligent cleaning solutions.
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Rgds,
Larry
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