The Planted Tank Forum - View Single Post - I want to do C02! I need something easy enough for idiots
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Old 02-02-2013, 02:57 AM   #5
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The hagen system you linked to earlier is just a yeast generator "diy" style system. It can be made out of 2l bottles and airline parts. If you go that route you don't even really need a diffuser, you could just use a piece of cotton ball shoved up in the air hose to make tiny bubbles.
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