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#1
11-22-2007, 06:32 PM
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Hofer Gurgle Buster
Who's built and/or is using a Hofer Gurgle Buster, in lieu of the Stockman or Durso? Any advice/recommendations?
__________________
~Drew 10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz  
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#2
11-22-2007, 06:48 PM
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I've built a couple, I had one on my old 72gal bowfront and the 20g tank I put together out of spare parts/surplus I had lying around, also has one of those. It's basically exactly the same idea as a Durso but takes up less space so can fit inside a tighter overflow.
In general I find Dursos and these to be a bit hard to tune with the airflow valve, but it's probably more a function of my workmanship than the design itself. Instead of drilling holes in the pipe I just Dremeled out some large chunks and I think basically there's just too much flow capacity through the holes. So I compensated for it by putting a valve on the drainpipe just to put a little backpressure on it. Overall I think these Hoffmans whatever they're called aren't too bad. Basically a smaller footprint Durso. Quieter than just a drain pipe but you do still get a faint gurgling sound. My 20g is empty (actually I'd be running the tank if I could, except that I don't have enough electrical circuits downstairs yet so I can't actually set it up for real just yet) but we could fill it with tap water and do a dry run.. er .. wet run for a demo if you wanted.
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-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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#3
11-22-2007, 07:09 PM
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No advice or recommendations... just a (really dumb) question.....
Why does he specify a 5" length of standpipe? What if the overflow box is 24" deep? Does this entire standpipe get submerged except for the thin tubing that comes out the top?
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SeaShell
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#4
11-22-2007, 07:11 PM
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I have one on my 24g. Its okay, but fish like to get caught in the coupling next to the pipe. Its works well for sound control, and its easy to adjust, but its a fish killer.
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#6
11-22-2007, 08:23 PM
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I have tried both submerged, and not submerged. Fish death occurred with both types.
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#7
11-22-2007, 09:04 PM
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Yikes. Fish death...hmmm. Not exactly what I'm going for
__________________
~Drew 10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz
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