This numbers are separated and independent variables, there are an addictive effect or there is an maximum degree of increase? (if I do both methods, should I observe 28-62 + 40-60 % increase for O2?)

The exposure treatment could be compared to hydroponic Flood and Drain System, where roots are exposed alternatedly to air and hydroponic solution ?

So, would be better to start the CO2 mist some minutes before the lights on, for an additional increase in plants health? I am using a single timer for lights and CO2 solenoid valve.

Can be the same effect observed if we put a glass with air, inverted (like a bell position) and expose for some minutes the plants that are on the botton, or close to it, like carpets or anubias, and for this reason can´t be exposed to air during WC ?

Regards,

Livio