Have you played around with different flow settings? I find so many people get obsessed with the "wave" settings, but forget that the other modes are probably better at stirring up detritus.
Also, if you're going to have these on the back, I'd suggest having one on either side.
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They call it addiction for a reason...
Last edited by FishyFishy!; 03-03-2016 at 04:04 AM.
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