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Old 03-01-2008, 05:53 PM   #107 (permalink)
hoppycalif
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Default Re: DIY CO2 Guide with Pictures & Recipes

The reason for using more than one DIY bottle is to stagger the start times, so at least one is always producing an adequate amount of CO2. That keeps the amount in the water more nearly constant, which helps prevent algae from starting.
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