I've finally gotten around to testing my first DIY yugang reactor and am wondering how much time prior to "lights on" do others turn on the CO2. With my vertical reactor and inline diffusers, I turn on CO2 about 3 hours before, so that's where I started with the yugang, but even at 4 hours, I don't have close to a full CO2 pocket and nowhere near my expected PH drop. Obviously, I can crank up the injection rate, but I expected my injection rate to actually be reduced from what I'm used to...