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#1
09-17-2011, 12:23 AM
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I have one on my return too.....I bought two when I plumbed the tank.....they are "true union", so I swap them out when I remember to, to clean the dirty one........
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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 
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#2
10-10-2011, 03:45 AM
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I have one on my tank mounted horizontally and i have had it in their without cleaning for 3 years now still works great....same type as fishytime
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500G Mixed Reef  __________________________________ Electrician, Electronics Technician, I can help with any electrical questions you might have!! __________________________________ Kevin
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#3
10-10-2011, 06:08 AM
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Hey man, I work in the oil and gas industry, and we use flapper (check) valves. Our apporach when when we evalurate a faciity is that check valves will always fail at some point. Its the same case, that valve will fail..
I built a system that is pump fail & power fail safe and doesnt use a check valve. drop me a note if you want details.
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