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12-13-2006, 11:46 AM
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#1 (permalink)
| | Spaghetti Worm
Join Date: Jul 2006 Location: Georgetown, KY
Posts: 182
Karma: 12
 |  Megaflow
I have a megaflow overflow on my 95G. I noticed recently that the flow back from my sump is not as strong as it once was. investigating this i found that the right angle elbow at the top of the return has a small hole drilled into it. Im presuming this is some sort of an anti-syphon thing.
is this correct?
_________
95G AGA Wave| 120# Carib-sea Aragonite |100# Fiji live rock| euro-reef 80 Skimmer | Megalflow 3 sump | 6 bulb Tek-light T5 HO
250G AFY | 150 gallon sump | Reeflo ORCA 250 | 3x250w Halides | t5 actinics | Oceans motion custom "2way-4way" | 
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12-13-2006, 12:14 PM
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#2 (permalink)
| | Stylophora
Join Date: Aug 2004 Location: Montreal, QC,Quebec Age: 29
Posts: 999
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Yes it is. Its probably not the reason why your getting less flow since its been there since the beginning 
Marc. _________ 
20Gal, 45 lbs LR, 65W PC 10 000K + 65W PC 20 000K + 10Gal sump/fuge
Livestock :hermit and snails, Green star polyps, Button polyps, Finger leather, Xenia, Zoanthids, Mushrooms, Yellow polyps, montipora digitata, acropora, ?mistery polyps?, mistery crab, six line wrasse | |
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12-13-2006, 12:58 PM
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#3 (permalink)
| | KingFish
Join Date: Dec 2000 Location: Pt. Richmond, Ca. Age: 38
Posts: 7,339
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Have you cleaned the impeller of your sump pump? Does the pump have a sponge? | |
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12-13-2006, 02:17 PM
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#4 (permalink)
| | 3reef Sponsor
Join Date: Aug 2006 Location: Va/Ct
Posts: 3,671
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Those little return J tubes that you say has a hole in it are a problem in that they will cause way more restrictions and they will also clog with slime and coralline I have seen then clog up many times from a sheet of algae or some grit and sand might want to check that also ? _________ Some of the world's greatest feats were accomplished by people not smart enough to know they were impossible (Doug Larson) | |
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12-13-2006, 02:24 PM
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#5 (permalink)
| | Coral Banded Shrimp
Join Date: Apr 2006 Location: CT Age: 31
Posts: 395
Karma: 176
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yes there is a hole placed there and yes it's for breaking the siphon should you lose power. | |
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12-13-2006, 02:54 PM
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#6 (permalink)
| | Giant Squid
Join Date: Jan 2006 Location: Meriden, Connecticut Age: 43
Posts: 3,905
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Agree with JP... very important to have that-make sure it doesn't get clogged! _________ 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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12-13-2006, 06:03 PM
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#7 (permalink)
| | Gigas Clam
Join Date: Nov 2004 Location: Carpentersville, IL Age: 52
Posts: 874
Karma: 137
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It's unlikely that the return is clogged. It's dark in there and a high flow area. It's probably the return pump. Go with Matt's recommendation and break it down and check the impeller. They do get chewed up and fail over time.
_________
300 Reef; 325LR, 1/2" sand bed in tank, 3" sand bed in 215 gal sump/refugium and Berliner PowerPro SS twin becket skimmer. 210 Reef; with 225 lbs of LR, 300 lb DSB, Large W/D and Jebo 520 skimmer modified to accept a becket. 90 RR FOWLR; tied into the 300's sump with a closed loop for extra circulation. 55 hospital. | |
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12-14-2006, 09:23 AM
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#8 (permalink)
| | Spaghetti Worm
Join Date: Jul 2006 Location: Georgetown, KY
Posts: 182
Karma: 12
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thanks. everyone. ill check it out when i get home. I have an eheim and I took the prefilter out of the pump because it kept slowing the pump givbing me heat probs. Knowing my luck it caused something else to break. ill check it when i get home | |
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12-14-2006, 12:15 PM
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#9 (permalink)
| | KingFish
Join Date: Dec 2000 Location: Pt. Richmond, Ca. Age: 38
Posts: 7,339
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For what it's worth, I take the impeller out and put my Eheim hole side up in the sink, fill it with white vinegar and place the impeller back in and let it sit for an hour. Then I rinse and wipe everything out and put it back together. | |
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12-15-2006, 05:27 AM
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#10 (permalink)
| | Spaghetti Worm
Join Date: Jul 2006 Location: Georgetown, KY
Posts: 182
Karma: 12
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Matt, how often do you do that? | |
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