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post #6 of (permalink) Old 04-10-2003, 09:11 PM
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Join Date: Oct 2002
Location: Minneapolis, MN
Posts: 859
That is an interesting way of saying it STAT, but let me see....

Air (what we breath), contains many different gases, nitrogen being the most (I am pretty sure). It also has oxygen and CO2, among many MANY other gases. Water can hold dissolved gases, but only to a certain amount. These dissolved gases want to be in equilibrium (have the same amount as) with the gases outside the water. If water has less CO2 than the air around it, by aerating (sp?) you will increase CO2, but if it has more CO2, then you will lose CO2. Aerating water insures that the water in our aquarium at least has an equal amount of oxygen as the atmosphere. This level is content for fish, but the level of CO2 in equilibrium is not content for plants. So, if you are adding CO2, when you aerate, the CO2 escapes the water in order to be in equilibrium with the air. If you get the idea of equilibrium, it makes sense...

Now, about your soil... do you know if it has lots of fertilizers or anything? You should mix it with some vermiculite and sand and possibly some other stuff, ask Gdominy about it, he just set up a tank with this type of substrate. Good luck.


Tank in transition! 55 gallons, hard water.
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