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#2
02-12-2008, 06:24 PM
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you best off to go with a Reeflo Snapper.
as you allow less flow to go through, it uses less power. PLus its very quiet.... the are around 200$. New 
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#3
02-12-2008, 07:40 PM
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Is 400-500gph @ 0' headpressure?
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32"x32"x20" Cube-ish tank
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#4
02-12-2008, 09:31 PM
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the snapper is 2700 GPH @ 0 head pressure.
but if you put a ball valve on the output of the pump, and throttle it back to about 1/4. that would be around 600GPH @ 5ft of head.
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#6
02-13-2008, 01:11 PM
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"Head pressure" refers to the distance the pump has to push the water up to where it returns into your tank. The greater the distance the pump has to lift the water, the more pressure it will loose. Try searching out head pressure loss calculators on RC or maybe someone here can post a link.
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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa). http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here http://www.vimeo.com/2304609 and here http://www.vimeo.com/16591694 Last edited by fishytime; 02-13-2008 at 01:14 PM.
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#7
02-14-2008, 12:42 AM
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RC Head Loss Calculator
When you calculate for your loss you also take in account your horizontal and fitting loss, this give like a total head loss. From there you can figure your flow from the pump charts (flow vs head). The RC calculator does this automatically but a concept helpful to understand.
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Linear Mode
