05-09-2011, 10:27 AM
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Originally Posted by Fishta
i had read this book which describes a home made CO2 canister made out of sugary water and yeast. could i use that for the plants?
Yes, but it is not necessary, depending upon what you want in the final setup.
If you read the articles another member referred to, you will have read about balance between light and all 17 nutrients, of which carbon (CO2) is just one. Once you start increasing any single component of this, you create a new (higher requirement) balance.
My tanks (pictured under "Aquariums" below my name on the left) follow the natural (low-tech) approach. No CO2 addition, minimal light and nutrients. The CO2 is supplied by the bacteria, fish and plants. This method is simpler, easier and less expensive because it uses nature more than equipment and using less light is less expensive in itself. [I shudder to think what my hydro bill would be if I doubled the light on my tanks, it is high enough now