Planted Tank Guru
Join Date: Sep 2011
Location: Willimantic, CT
For smaller tanks than 10 gallons, you really don't need DIY CO2. If you dose excel, it already provides plants with the organic carbon they would normally get from CO2. And since you have such a small volume of water, excel is easier and cheaper
Fish Shrimp tanks are like cups of coffee, one is never enough.
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