Did the plants take off?
I just hate the idea of having to refill bottles with Co2 systems..even if its just once a month. I also am sort of out of it on homemade since a large aquarium would need more than soda bottles ..probably some 10 gallon container with thread lid. But then your buying gobs of yeast-lol.
I like to read of homemade stuff. Innovative. I just stick to hardy plants that do well.
It came with two surprisingly, the top one is simply a **** off valve that was included as a ‘free gift’ I guess the idea is you can shut it off with out having to guess to get back to your initial rate.I thought the pressure differential system was genius ? The main issue I had with this system was the valve. They were very leaky. Is there a reason why you are using two? I invested in a brass needle valve which solved the leaky issues