what size inline fan to get?

i have a 3x3x6 ft. tent and my temps are getting to high it was 98 degrees yesterday so i think i need an inline fan. what size should i get a 4 in. or 6 in.? please help me out thanx

What type of light? Air cooled? remote ballast? ambient temp at intake?

i have a 250 watt hps not air cooled with a lumatic ballast

Get an air cooled hood and fan set it up something like this

fo show good look man thanx

crackiswac05 said:

fo show good look man thanx

Click to expand...

98 degrees???? B4 u know it ull have spider mites at that temp.

ya my bad thats why im asking what i should get to cool my tent down.

You want the air in your grow area exchanged approximately 3-5 times a minute, your cubic feet is 54 ft. 54 times 3=162cfm, 54 times 4=216cfm, 54 times 5=270cfm.