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Old 10-21-2006, 02:06 PM   #1
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Sand getting stirred up

I've been having a problem with sand becoming stirred up to the point of digging right down to the glass bottom.

I have 2 Aquaclear 110's hanging in the tank, and one pumping up from the sump. I have tried every variation with the flow directions, but it never helps. The output hangs roughly midway from top to bottom.

I tried placing some LR in the front of the tank to disrupt the flow somewhat..which helped a bit.

Should I just angle everything to the surface? I was concered about low flow in the lower areas of the tank, and already have decent surface action as is.
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Old 10-21-2006, 02:10 PM   #2
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Is this a very fine sand? Maybe a layer of coarse sand on top will help.
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Old 10-21-2006, 02:23 PM   #3
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Yeah I'd say it is pretty fine. It is the CaribSea sand. Id guess it at 2-3mm particles.

Thank you!
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Old 10-21-2006, 02:56 PM   #4
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that is pretty large particles. I dont think the sand in mine is even a mm.

I have all my power heads poinjted horizontally just underneath the surface. IT creates plenty of surface agitation, and creates a nice circular flow around the tank, so even the bottom of the tank has good flow, but not too strong..

My tank is a 10 gallon with about 210 gph of flow.
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Old 10-21-2006, 03:09 PM   #5
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I think my 110's are putting out 3700/litres (960~ gph) an hour. The one from the sump has a 3-4 foot rise and 3 90 degree bends..so somewhat less from that one.
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