Cool tube help

[gumba12]

Hi fellow greenfingers

quick question got a 80x80x160 tent coming want to use a cool tube setup with carbon filter only thing is my x2 extractor fans are 4"and all the cool tubes I see are 5" what to do

Will b grown purp bud and og kush in cuboard any tips or help would be very appreciated as I am a rookie grower.

 

[gumba12]

Got 400w hps lumi bulb too hot I thimk but got 250w hps on way

 

[theengineer]

have you considered a 5 to 4 inch adapter?

 

[gumba12]

Yaeh probly go with them growing 3 plants in back cupboard what soil or substrate would people recomend its purple bud iam getting anyone with and experiance on growing this stain tips and help would b greatly appreciated tent is 80x80x160 with a hps 400w thoughts????

 

[LEDBud]

Personally I have never seen a 5" cool tube.

Every Cool tube I have seen is either 6 or 8 inches.

I have a 400w in a 6 inch cool tube


A 400w in a cool tube is *not* too hot for a small space , as an example with a 400w in one you can touch the glass without discomfort.

 

[Tead]

I use an adapter. Found one in the HVAC section of my local big box hardware store. easy.