400w cool tube

Masterogkush

Active Member

Sep 11, 2011

• #1

How strong of a fan would I need to keep a 400w hps cool.

 

massah

Well-Known Member

Sep 11, 2011

• #2

depends on if you are using a carbon filter, using a grow tent, where you live, relative ambient temperature, etc

 

Masterogkush

Active Member

Sep 11, 2011

• #3

No carbon filter a 4x4x7 grow tent

 

mears220

Well-Known Member

Sep 11, 2011

• #4

i use a 6inch with carbon filter and iv neva had a problem

 

Masterogkush

Active Member

Sep 11, 2011

• #5

What cfm output?

 

massah

Well-Known Member

Sep 11, 2011

• #6

Depends on the ambient temperature of the room, but if you are keeping it around 70F anything greater than about 250CFM will keep you less than 80F which is usually ideal

 

mears220

Well-Known Member

Sep 11, 2011

• #7

ruck 150mm/6" 470m3/hr

 

Masterogkush

Active Member

Sep 11, 2011

• #8

Sweet just got a tent and a 400w cooltube trying to get the setup ready. How many plants u guys think I should keep under the 400w hps?