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it looks like you have a check valve on it, so it might need some extra time to get the reaction strong enough to push though that, or you could have it on backwards?
I checked its on properly. What are the mixture measurements again? I dint remember. I know ive seen sugar and yeast. Then attatch to another bottle with water and that bottle goes to a hoea into the tank am i incorrect?
You probably have a leak between the cap and tubing (you can check this by closing the end of the tube, applying soapy water at the connection, and squeezing the bottle. If the soapy water bubbles, there is a leak). if this is the case, use a bulkhead fitting used for R/C planes (like this: TowerHobbies.com | 121 Fourmost Bulkhead Fittings (2))
Could someone that knows how it all work draw an eAsily readable diagram as to how to diffuse the co2 once injected? Is there a small easily done method or is buying one a simpler option? Do you even need one for home made co2 generators? If you have the yeast mix connected to another bottle of water, do you need the check valve on both?
I want to make a DIY generator but I'm worried about the ph drop as the tank is already stocked. Is there a way to allow co2 injection but keep the ph stable instead of trying to balance them out?