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Unread 03/14/2017, 10:15 AM   #5
afish70
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Join Date: Jan 2008
Location: Tampa
Posts: 688
I have this in my 90 and I get no sand movement at all. Reverse mode does nothing and forward at 70% moves water but the sand does not move at all. Does anyone have a video of this thing in a 4 foot long tank moving the sand??


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