If i upgrade from a 1000w from a 600w....

MEANGREEN69

Well-Known Member
You have to have your exhaust off to run C02. If you temps are already at 85 with your fans on, you will only be able to have your fans off for like 10min and thats not going to be enough time. Your plants need to sit in the Co2 rich environment for a lot longer than 10min. Thats why you won't be able to use it.

Is that fan 178 CFM or 178cm? This will make a big difference. Check the cfm rating on the fan. I cool my room with 465cfm for exhaust and the booster fan for my hood is 420cfm. This is a total of over 800cfm to cool my room. If you are only using 178cfm, you will need a lot more.
about the co2 he's right about cuting the fans off to use the co2 and the temps going up....BUT u can use a fan just for the light with duct sucking air from out side into the light then out..then get a fan to ex the cab shut it off when u use the co2 and still cool ur light because that does not mass with ur cab..:lol:
 

bongrippinbob

Well-Known Member
No 178cfm will not be enough for exhaust, especially connected to a carbon filter. The filter will cut out like 20% of your CFMs.

Use that fan you have to cool your hood, then buy another fan for exhaust. Or you could use the bigger fan for your hood, and the smaller one for exhaust and run Co2.
 

Yota

Well-Known Member
ok, looks like ill be grabbing a new inline soon. Thanks guys for steering me right.
 
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