The Planted Tank Forum - View Single Post - CO2 atomizer not working? - what am I doing wrong?
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post #10 of (permalink) Old 02-16-2013, 09:11 AM
Darkblade48's Avatar
Join Date: Jan 2008
Location: Toronto/Singapore
Posts: 9,867
Originally Posted by AlanLe View Post
Some people said you need surface agitation and o2 for plants to burn down sugar.
Well, at night when plants are not performing photosynthesis, cellular respiration occurs, so they will be consuming oxygen.

Some degree of surface agitation is always good in a planted aquarium, but I would say that an airstone at night is not needed, despite the fact that the plants are also consuming oxygen.

With reasonable surface agitation (from your filter return, powerheads, etc), atmospheric oxygen can still diffuse into the water.


A Primer to Pressurized CO2 and A Primer to Planted Tanks
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