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Old 01/12/2017, 01:26 PM   #6
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Originally Posted by SantaMonica View Post
Without dosing alk, the slow process of CO2 dissolution into the water has stabilized with the algal uptake, in your case, at 125 ppm. CO2 is going into the water (from fish too), and then to the algae. What you don't see is the rate of transfer; it is very high, like a flowing river. But the river is shallow.
Ok, that makes sense, its an equilibrium thing.

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