Fixing positive pressure.

[Chillin chillin]

Here's the situation. The room is 16'x50'x 11' high. 20 lights closed loop 2 5 ton ac.
The situation... Even though the ac units cycle the air in the room the blowers push the odor out of all cracks even though I have sealed like a mad man.
The solution? I feel if I cut a hole in the ceiling and add a carbon filter/inline fan it should create negative pressure in the room.
The problem.... I use co2, so I need to remove just the right amount of air so I'm not just dumping all of my co2. Luckily co2 is heavier than air.
Need help.... Can somebody help out w the proper formula (if their is such) for the proper size fan/filter?

 

[nevergoodenuf]

Do you at least have a fan and filter scrubbing the room?

 

[Chillin chillin]

I have 3 "big bitchs" w 10" max fans. 1 on the floor pointing up the other 2 are on opposite ends of the room mounted on the ceilings "spinning" the air on top

 

[qballizhere]

Here's the situation. The room is 16'x50'x 11' high. 20 lights closed loop 2 5 ton ac.
The situation... Even though the ac units cycle the air in the room the blowers push the odor out of all cracks even though I have sealed like a mad man.
The solution? I feel if I cut a hole in the ceiling and add a carbon filter/inline fan it should create negative pressure in the room.
The problem.... I use co2, so I need to remove just the right amount of air so I'm not just dumping all of my co2. Luckily co2 is heavier than air.
Need help.... Can somebody help out w the proper formula (if their is such) for the proper size fan/filter?

I run a closed room and just have my carbon scrubber in the room scrubbing the air and putting it back into the room the air never leaves
https://4hydroponics.com/site/calculate-fan

 

[VegasWinner]

I run a closed room and just have my carbon scrubber in the room scrubbing the air and putting it back into the room the air never leaves
https://4hydroponics.com/site/calculate-fan

Exhaust at least 50% of the recycled air with a separate fan and filter and you have negative pressure. Control what air leaves and under what conditions. Air is pulled not pushed for best results. Peace