homebox XL,cooltube,extractor and carbon filter(problems & ideas)

[potenza]

hello my friends
i bought homeboxXL and Cooltube 490 X125 mm.i use 600 watt HPS and ballast.
offficial site of the homebox says '' min 420m3 extractor must be used with homebox XL.

Up to 250W light (or 400W with cooling system): 225m3 extractor
Up to 400W light (or 600W with cooling system): 345m3 extractor
Up to 600W light: 420m3 extractor

The carbon filter should always have a slightly bigger capacity than the extractor used.

i need min 550 or 600 m3 extractor because The carbon filter should always have a slightly bigger capacity than the extractor used.
but it is the problem that there is no extractor that has 125mm diameter and 600m3 airflow capacity.

i have to match carbon filter with extractor.
if i buy a 125mm extractor,it is not enough for homebox XL.
if i buy bigger extractor than 125 mm,they dont match carbon filter.because there is 125 mm cooltube between carbonfilter and extractor.

airflow:
inside of tent>carbon filter>cooltube(125mm)>extractor(bigger than 125) >outside of tent

diameter of the carbon filter is not important here,because there is no chance to match with extarctor.because extractor and cooltube's diameters are different.
[ for example : if carbon filter's and extractor's dimater were
200mm,the diameter of cooltube is still same,125mm.
in this case,airflow were:
inside of tent>200mm carbon filter>125mm cooltube>200mmm extractor>outside of tent .

it wasnt good. ]

and i have an idea.i will use 2 extractor to prevent that mismatch


airflow 1:
outside of tent>cooltube (125 mm ) >extractor (125mm)>outside of tent

airflow 2 :
inside of tent>carbon filter 200mm > extractor 200mm >outside of tent

i will run both extractor @ half speed to prevent too many noise.that is why i should buy bigger capacity extactors.

even if this idea seems good,it costs too expensive,especially for me(i will import all equipments,because there is ''nothing '' in my country about growing.

is there somebody who could give me any other good ( and cheap ) idea ?

 

[Mr Miyagi]

IMO if you get a 6" Vortex or equivalent along with a speed control you should have plenty of ventilation. Cool tubes really streamline ventilation making it a bit more efficient too. hth

peace

 

[potenza]

i dont live USA.i know vortex are very powerful but there is no any fan as powerful as wortex in europe or in my country.
that is why i should buy 200mm extractor

 

[Cozy Amnesia]

Yeah I agree, get one big fan not two smaller ones. The cooltube will help with the heat, especially for a 600w, so you might get away with less.

 

[potenza]

345 m3 extractor is enough for me ?

 

[AndreNicky]

When u say m3 do u mean m3/h? If so 345 m3/h is enough but alittle too much imo. I run a 171 cfm for my 400 watter in a homebox L, this is equivalent to about 90 m3/h. I would say u need atleast 150-200 m3/h to cool your tent

 

[herbal essences]

you could prob get away with a 265cfm inline fan of some sort