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03-05-2007, 05:50 PM
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#1 (permalink)
| | Spanish Shawl Nudibranch
Join Date: Dec 2006 Location: Florida
Posts: 85
Karma: 45
 
|  bubbles from powerhead
I have a submerged powerhead used just to move the water around the tank, why would it occasionally throw out random bits of bubbles? I think I read somewhere, it has to do with the chemistry. Some of my bubbles were from my skimmer but that was taken care of by a bubble trap...help  _________ 40g display, 15g sump, 10g fuge, coralife super skimmer, 40lbs seaflor special, 5lbs sugar fine LS, 25lbs LR(fiji, and gulf of mexico) 265watt PC with 2 50/50 10k/6.7k daylight, 2 50/50 420nm/460nm actinic, DIY moonlites, DIY auto top off, 32g reserve RO/DI, DIY dosers, research... | 
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03-05-2007, 06:31 PM
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#2 (permalink)
| | Plankton
Join Date: Feb 2007
Posts: 16
Karma: 1
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Mine does the same thing, and was wondering the same thing too! | |
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03-05-2007, 07:19 PM
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#3 (permalink)
| | Giant Squid
Join Date: Jan 2006 Location: Meriden, Connecticut Age: 44
Posts: 3,952
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The only thing I can attribute it to is, bubbles still in your water column being drawn into your powerhead! Other than that, I can't think of anything else that may contributing to the bubbles from your powerhead!
Skimmer may still be releasing some bubbles into your water...
See what other fellow reefers have to say! _________ 125gal.w/Mag9.5 return(dual megaflow)>Mag7 pump Aqua Cev180skimmer.Wave2k Hamilton Reefstar(2)250watthqi(mh)pend.a Yellow, Naso Tang Red Lip Blenny Percula Clown Demoiselles Niger Trigger F. Wrasses Ceriantharia Orn.Shrimp and Stars Hermits Queen Conch asst. snails> Stars Zoos shrooms Montipora Brains Gorgonians Favia Turbinaria(large+small polyp) Acropora Xenia Tridacna (CroceaMaximaSquamosa) Leathers <35+75gal.reef tank as well> 
"IF THE PHONE DOESN'T RING...IT'S ME"  jb  | |
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03-05-2007, 08:09 PM
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#4 (permalink)
| | Flamingo Tongue
Join Date: Feb 2007
Posts: 102
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i know ths sounds crazy but pull it out and check the magnetic part that holds the impailer
something could be on it causing an unbalance when it spins
mine did that once i took it apart cleaned it and it stopped doing the bubble thing
could have been blind luck though | |
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03-06-2007, 08:15 AM
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#5 (permalink)
| | Skunk Shrimp
Join Date: Jan 2007 Location: Williamsville, NY
Posts: 257
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I have the same problem & I'm using a sponge filter over the intake which should break up any bubbles before they would enter the intake. | |
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03-06-2007, 08:21 AM
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#6 (permalink)
| | Vlamingii Tang
Join Date: Sep 2003 Location: St. Louis
Posts: 1,874
  
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Sometimes the powerhead is too close to the top of the tank and you get cavitation bubbles. If you move it lower in the tank and it goes away, that's the problem. _________ Curt  | |
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03-06-2007, 01:27 PM
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#7 (permalink)
| | Skunk Shrimp
Join Date: Jan 2007 Location: Williamsville, NY
Posts: 257
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Mine isn't too close to the surface & isn't pulling a vortex that would be an indication of it sucking air. | |
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03-06-2007, 06:28 PM
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#8 (permalink)
| | Feather Duster
Join Date: Jul 2004 Location: jonesboro, arkansas Age: 29
Posts: 215
Karma: 12
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i have one of those sponge pre filter things too. i found that the sponge actually makes it worse. especially when it gets dirty. when its dirty it will release spurts of bubbles and then no bubbles for a while and then do it again. i would just clean it real good and the problem would go away. i finally just took the sponge off and no more problems.
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125 gallon glass. 3 10k 250w metal halides, 1 4ft 110w vho actinic. who knows how much live rock. yellow tang, domino, cinnamon clown, percula clown, flame angel,peppermint shrimp, camel shrimp, skunk shrimp, a few turbo snails, lots of hermit crabs, leather coral, branching frogspawn, mushrooms, too much xenia, and several different zoo's and button polyps | |
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03-06-2007, 06:29 PM
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#9 (permalink)
| | Spanish Shawl Nudibranch
Join Date: Dec 2006 Location: Florida
Posts: 85
Karma: 45
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Quote:
Originally Posted by inwall75  Sometimes the powerhead is too close to the top of the tank and you get cavitation bubbles. If you move it lower in the tank and it goes away, that's the problem. | Thanks; it is as close to the bottom as I can get it without stirring the substrate up... | |
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03-07-2007, 09:39 AM
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#10 (permalink)
| | Zoanthid
Join Date: Jul 2006 Location: ontario, canada
Posts: 1,117
Karma: 166
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calcium buildup can also cause the bubbles. _________ 20g
25lbs LR
1 hydor koralia
rio nano skimmer FISH: blk/white clown, damsel, yellow watchman goby CORAL: grn open brain, acan, torch, rics, toadstool, zoo's
INVERT:[/u] hermits, nassarius, astrea, turbo's, nerites, crocea clam
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