Thanks for the reply AC, I kinda figured one DIY container wouldn't have much of an impact also, thats why i was wondering about two separate setups, one on each side. I like your suggestion about stringing multiple bottles together in the setup. Maybe by time I am fully set up I can aim for having two or three yeast bottles followed by the yeast catcher and diffuser in each rig i setup.
I just got home and set the first one up as a test. This one is just one yeast bottle and the catcher bottle (I only had two empty two-liters available), as pictured above.
I also noticed that the check valve built into my diffuser is really tough to blow air through. As a test i tried just blowing into the air tube and only got one or two bubbles, but I was blowing so hard I thought my eyeballs were gonna pop out! Does the Co2 pressure typically build up stong on a DIY setup or should i look into a different diffuser?
Thanks for the input, every bit helps!