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Discussion Starter #1
Hi I was wondering if it was OK to fill a tank all the way to the rim (it has a glass canopy) or should you leave an inch between the water level and the canopy?

I have a canister filter pushin mad water thru my 15gal. Will this provide enough aeration in the tank?
 

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jsm11482 said:
I have a canister filter pushin mad water thru my 15gal. Will this provide enough aeration in the tank?
There's one thing I don't get. You added CO2 and you have vigorous agitation of water movements.:squint:
You'll only be diffusing more CO2 than producing oxygen.
 

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Discussion Starter #3
So what should I do?
 

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jsm11482 said:
So what should I do?
Limit the water movements, of course.
 

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Discussion Starter #5
I have a Fluval 204 - should I close the valve so it isn't running at full blast?
 

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jsm11482 said:
I have a Fluval 204 - should I close the valve so it isn't running at full blast?
Yes. Just open it during the night as plants and fish use oxygen at night otherwise you'll see the fish gasping for air at night. Plants use CO2 during the day.
 

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Discussion Starter #7
Cool I'll give it a try. Thanks.
 

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Just a case of explaining photosynthesis and respiration.
 

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Discussion Starter #9
ok and what about the water level?
 

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jsm11482 said:
ok and what about the water level?
Nothing wrong with filling it to the rim.
 
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