HELP WITH CO2 AND FRESH AIR MIX

[Iceman9902]

HELLO I HAVE 2 GROW TENT BOTH ARE 4X4X6.5 SO THAT 208 CSF AND I HAVE AN 6IN AIR FILTER SYSTEM THAT MOVES 440 CFM PLUS I HAVE A 6IN BOOSTER FAN THAT ALSO MOVE ABOUT 240 CFM OF AIR TOO WHAT SHOULD I DO PLEASE HELP

 

[Jalisco Kid]

Read till your eyes burn. JK