Sump! - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 09-20-2008, 10:30 PM Thread Starter
Algae Grower
 
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Sump!

Hi there,
I don't see most of you using a sump,however, I do using one just for trail,to keep all my equipments in it (heater,reactor,UV) BUT i have noticed the water from the Top tank came with bubbles sure they are Oxygen bubbles, in this case will I lose the CO2? and any idea how to stop those bubbles??

Thanks and regards
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post #2 of 11 (permalink) Old 09-20-2008, 10:32 PM
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Yes, you will outgas CO2.

What is your sump design? You have to minimize turbulence when the water travels down to your sump.
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post #3 of 11 (permalink) Old 09-20-2008, 11:03 PM Thread Starter
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Thanks epicfish
It is DIY sump, well it is just small tank, the pump not too fast,but the outlet diameter trom top to down around 5cm! how can i minimize the turbulance here??
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post #4 of 11 (permalink) Old 09-20-2008, 11:09 PM
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It might be easier to see if you could take a picture of the area?

Or draw a picture/sketch it out?
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post #5 of 11 (permalink) Old 09-20-2008, 11:11 PM
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Would this type of Durso stand pipe help eliminate out-gassing?
http://images.google.com/imgres?imgu...%3D2%26hl%3Den

Regards, Orlando
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post #6 of 11 (permalink) Old 09-20-2008, 11:18 PM Thread Starter
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umm. i will try ..
now,tell me, pump will transfer the water from the sump to the top tank (no bubbles) but water came from top to down with bubbles,also the pipe/hose is near the base of the sump to avoid mixing with air....any solution?
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post #7 of 11 (permalink) Old 09-20-2008, 11:21 PM Thread Starter
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good idea orlando ..

but no.4 i have is facing UP ,not down, will it work same?
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post #8 of 11 (permalink) Old 09-20-2008, 11:24 PM
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Yes, a stand pipe design as well as having the outlet of the tubing/piping near the bottom of the sump will help minimize CO2 outgassing.

Your biggest problem will be flow down the tubing from the tank to the sump and flow through the sump itself.
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post #9 of 11 (permalink) Old 09-20-2008, 11:28 PM Thread Starter
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so? are you telling me there is No solution ?
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post #10 of 11 (permalink) Old 09-20-2008, 11:35 PM
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I'm telling you to do the Durso standpipe (Stockman will work), keep the tubing going from the tank to the sump below the surface of the water, and remove any tall baffles that cause surface turbulence.
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post #11 of 11 (permalink) Old 09-20-2008, 11:38 PM Thread Starter
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sure i will , thanks to follow my questions , i will update you later about my new design

regards
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