night-time aeration - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 11-18-2011, 04:18 PM Thread Starter
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night-time aeration

Ive read a few times that if you are using pressurized Co2 with an electric solenoid you should turn off the Co2 at night and alternate to adding oxygen so that your pH doesn't plummet. How much oxygen do you need to add? For example I have a 55g tank and I'm planning on using pressuized Co2 at 3 bubbles per second at night if I use just a small air pump (Profile 1000 rated for a 10g tank) with a small air stone will that be enough O2 or should a use my larger Tetra Whisper 60 with a 12" bubble wand?

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post #2 of 10 (permalink) Old 11-18-2011, 05:00 PM
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why r u running co2 at night?
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post #3 of 10 (permalink) Old 11-18-2011, 05:03 PM
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why r u running co2 at night?
He's not, just poor grammar. There is supposed to be a comma there lol

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post #4 of 10 (permalink) Old 11-18-2011, 05:05 PM
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Ive read a few times that if you are using pressurized Co2 with an electric solenoid you should turn off the Co2 at night and alternate to adding oxygen so that your pH doesn't plummet. How much oxygen do you need to add? For example I have a 55g tank and I'm planning on using pressuized Co2 at 3 bubbles per second at night if I use just a small air pump (Profile 1000 rated for a 10g tank) with a small air stone will that be enough O2 or should a use my larger Tetra Whisper 60 with a 12" bubble wand?
All you have to do is raise lily pipes or point spray bar at water surface. No need for an air stone.

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post #5 of 10 (permalink) Old 11-18-2011, 05:06 PM Thread Starter
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Yes, sorry. Poor grammer on my part

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post #6 of 10 (permalink) Old 11-18-2011, 05:12 PM
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Do you have a spray bar or lily pipes?

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post #7 of 10 (permalink) Old 11-18-2011, 05:19 PM Thread Starter
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I dont have lily pipes but I'm planning on making diy spray bars for both of canister filters on the tank

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post #8 of 10 (permalink) Old 11-18-2011, 05:31 PM
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I dont have lily pipes but I'm planning on making diy spray bars for both of canister filters on the tank
Oh ok, well save the money for the pumps and just put yours spray bar ect pointing up. All you need is to have surface agitation.

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post #9 of 10 (permalink) Old 11-18-2011, 05:43 PM
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i'll point out it has nothing to do with ph crash
plants absorb oxygen and release c02 at night. it raises c02 levels a little bit. PERSONALLY
i run surface agitation all day as it is very beneficial to ur tank. u dont loose too much c02 and can easily increase it.
i increase agitation at night by airstone to rapidly decrease c02 levels because filter bacteria goes into remission close to 6.0 on the ph scale. it takes a while to wake back up so my nights are for my nitrogen cycle to take place

if u don't get below 6.1 on ph then there is no reason in a healthy tank to increase agitation at night. just keep some going all day and u'll have a nice healthy tank oxygen wise at least

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post #10 of 10 (permalink) Old 11-18-2011, 07:56 PM
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Personally, I have never felt the need to run an air pump at night. Turning off your CO2 1/2-1 hour before lights out pretty much uses it all up before the plants' aerobic cycle. A little surface agitation can't hurt either. I've always felt that good turn over between the top and bottom of the water column is important. I have not tried to verify this in anyway, so I can't really claim it has any great benefit. Water at the top of the tank is always going to be in better equilibrium with the atmosphere at night however.
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