kiwis Posted August 1, 2015 Report Share Posted August 1, 2015 Hi, I have a Co2 diffuser in my tank, Co2 supplied by a home mix of sugar, yeast, baking soda and warm water. works well. my issue is my diffuser fills with water, why does this happen?? Quote Link to comment Share on other sites More sharing options...
Li@m Posted August 1, 2015 Report Share Posted August 1, 2015 Simple Physics. Im guessing that you have the CO2 'bottle' below the tank. Basically all the co2 creates pressure and flows through the diffuser. When the amount of co2 being released by the yeast mix reduces so does the pressure creating a siphon and the water flows back into the diffuser/tube. Someone correct me if i'm wrong. Quote Link to comment Share on other sites More sharing options...
alanmin4304 Posted August 1, 2015 Report Share Posted August 1, 2015 As above. The pressure of CO2 is not enough to overcome the pressure of the water on the submersed diffuser. Quote Link to comment Share on other sites More sharing options...
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