Bristleworm question

Jan 9, 2009
127
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Owensboro, KY
#1
I don't plan to keep a right now but I have some rock in a 30 gallon right now till I get my 125 going but I noticed a lot of bristleworms in the tank earlier not sure if they're the bad ones or not, and I was wondering if I should try to get rid of them. I went and got an arrowhead crab to see if he can clean them up a little for me attached is a picture of a couple
 

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