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new 135g tank what powerheads??? newb

2K views 6 replies 4 participants last post by  onefish2fish 
#1 ·
#2 ·
you really don't want to have your return pump to create flow for the tank. It'll push too much water over and will cause a flood that'll be more detrimental than with a lower gph.

Your main concern with flow is deadzones. The more deadzones that you have the more you'll have detritus settling. The general rule of thumb is 10x gallons and 20+x gallons per hour if you have SPS.
 
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