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Old 01/05/2008, 11:51 AM   #1
Fischer's Angel
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Join Date: Jan 2008
Location: Atooi
Posts: 84
Question How deep should DSB be and what size sand grains?

I am planning a DSB in a 30 gallon sump for my 55 Gallon tank. How deep should the sand bed be, and what size sand grains would be optimal? Small like sugar grains or should it be a coarser grade?

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