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Old 05-05-2005, 08:31 PM   #11
steve-s
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The problem with the "C" type overflows is they may not restart the siphon in the event of a powerfailure. The "U" style should maintain the siphon and restart on it's own when power is restored.

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Old 05-05-2005, 09:42 PM   #12
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I have a 105G dumping into a 30G sump/fuge and another 30G tank tied into those two. They all use CPR overflows with aqualifters and I haven't had a flood yet.
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Old 05-05-2005, 09:45 PM   #13
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Hmm.... I haven't experienced this with mine (which from what I've read is a C type v. U type. Once I sucked the air out of the airline hose I just stuck it into the overflow box where the siphon is maintained. I haven't lost siphon on it yet (LOL, famous last words). A guy in my reef club was selling a float switch which I've procured and am using on the "sump" for my 30 so that should something go wrong I won't end up with a spill. I strongly believe in safe seconds. I have one on the fuge under my main as well!

Aqualifter? What's that?!
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Old 05-05-2005, 09:58 PM   #14
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http://www.marinedepot.com/md_viewIt...dproduct=KTALP

They are used to suck air out of the overflow tube and help restart the siphon in the event of a powerfailure.

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Old 05-05-2005, 10:02 PM   #15
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Quote:
Originally Posted by steve-s
They are used to suck air out of the overflow tube and help restart the siphon in the event of a powerfailure.
If the aqualifter is in place in event of a power failure, is a "c" type PLUS aqualifter still inferior to a "u" type? I ask because the c-type is available at my LFS, I believe.

Thanks again -- this thread has been very educational to me.
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Old 05-05-2005, 10:05 PM   #16
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Your choice. As you can see people use them without issue. Personally I think anything that needs "help" like the C type overflow is asking for something to go wrong. The more complicated something is, the more likely something will break down.

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Old 05-05-2005, 10:58 PM   #17
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Quote:
The more complicated something is, the more likely something will break down.
Ultimately this is true. If you use the aqualifter you won't have problems with your overflow. You *WILL* have problems with your aqualifter though and will have to change it out a few times a year. I use CPR mainly cause its the only thing I have ever used. Not saying I wouldn't recommend it, but they will bite if you don't keep up with them.
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-30G LTAnemonarium with mated porcelain crabs, 10 sexy shrimp, and 2 pink skunks all tied into the other 135G in my system.
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