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01-06-2005, 11:10 AM
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#1 (permalink)
| | Astrea Snail
Join Date: Nov 2004 Location: , NY,New_York
Posts: 43
Karma: 1
 |  cpr 1400 coverflow box
Going to build a sump and wondered if i had a 1400 gal overflow but only pumped out 1000 gph could i lose siphon?
check out these plans do they make sense????
_________
90 gal,ugf two hagen 402 power heads,filter magnum 350 canister ,150 watt heater,power compact lighting,20 lbs LR,100 lbs base rock,crushed coarl bottom,40 lbs of live sand, 50 gallon wet/dry with refugium,mag 18 return pump,crp cs102 overflow box,seaclone 150 skimmer
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01-09-2005, 06:34 PM
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#2 (permalink)
| | Whip-Lash Squid
Join Date: May 2004 Location: PhillySuburbs, Pennsylvania Age: 42
Posts: 2,947
| Re: cpr 1400 coverflow box
The box itself is designed to prevent loss of siphon...you do need either a PH with a venturi draw in it or the aqualifter pump to draw bubbles out of that one tho. I have the CPR 800 gph. I love it! Nearly silent!
You should be fine with it.
I can't see the plan...for some reason so can't comment....  _________  I Love My Sig By John Hawkins!!!!!!!!!!!!!
Date Started 9/04 58 gallon Oceanic Tank, 20 gal DIY sump/fuge w/ Kent Marine Auto top-off, Air Water Ice RO/DI, 10,000 K 175 W MH, 2 VHO 03's 96W each, AquaC EV 120 Skimmer
80 lbs LR, DSB in FUGE, 1 - 2 " LS in tank
Black Brittle Star, Chevron Tang, Crocea Clam, red & green Lobophyllia, Frogspawn, Porites Frag, Caulastrea Frag, Green Ricordia, Asst. Zoas, hermits, astreas, stomatellas, fighting conch | |
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01-10-2005, 02:53 PM
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#3 (permalink)
| | Astrea Snail
Join Date: Nov 2004 Location: , NY,New_York
Posts: 43
Karma: 1
| Re: cpr 1400 coverflow box
hey birdlady thank you for the info. You can check out my my plan in the refugium forum. Do i need the power head running all the time in the filter box and what size would i use??? | |
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01-10-2005, 02:55 PM
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#4 (permalink)
| | Astrea Snail
Join Date: Nov 2004 Location: , NY,New_York
Posts: 43
Karma: 1
| Re: cpr 1400 coverflow box
hey birdlady i have read you should cycle the water thought you sump ten times an hour is that about right??? | |
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01-10-2005, 02:55 PM
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#5 (permalink)
| | Feather Duster
Join Date: Apr 2004 Location: WI
Posts: 238
| Re: cpr 1400 coverflow box
yes you need a powerhead running on it all the time. Use a Rio 800 RVT venturi power head to remove the air. | |
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01-11-2005, 01:10 PM
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#6 (permalink)
| | Astrea Snail
Join Date: Nov 2004 Location: , NY,New_York
Posts: 43
Karma: 1
| Re: cpr 1400 coverflow box
Thank you for the info Darin. Where do you place the power head and how??? | |
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01-11-2005, 01:55 PM
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#7 (permalink)
| | Stylophora
Join Date: Aug 2004 Location: Montreal, QC,Quebec Age: 29
Posts: 999
  | Re: cpr 1400 coverflow box
I dont have an external overflow box but they use them at my LFS and a freind of mine has one too. All they did is run a peice of flexible tubing from overflow to the sump. The air will leak out from that peice of tubing. The tube will stay full of watter. Just dont put it in the sump water cause it will cause a resistance and the air will stay in the tube. That way dont have to get another powerhead or get bubbles in your tank.
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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01-11-2005, 02:15 PM
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#8 (permalink)
| | Astrea Snail
Join Date: Nov 2004 Location: , NY,New_York
Posts: 43
Karma: 1
| Re: cpr 1400 coverflow box
Think I understand just keep tubing above water line in the highest part of the sump is that right? thank you for the info marc... | |
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01-11-2005, 02:21 PM
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#9 (permalink)
| | Feather Duster
Join Date: Apr 2004 Location: WI
Posts: 238
| Re: cpr 1400 coverflow box
I would not chance that methd. A pump is cheaper than flooded floors. There is an airr line fitting on top of the overflow that you connect up to the fitting on the rio RVT pump this removes the air via power and does and efficent job. It also helps restart the box if the siphon should break.
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01-11-2005, 02:38 PM
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#10 (permalink)
| | Astrea Snail
Join Date: Nov 2004 Location: , NY,New_York
Posts: 43
Karma: 1
| Re: cpr 1400 coverflow box
Don't what flooded floors wife would have tank on e-bay. Think i see what you saying the rvt pump sucks out the air in the top of box if suction is lost...thank you for all the info.. Getting to build sump and what to get all the facts right and do a good job...Lots of research on this diy. | |
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