Growtent in base ment Do I Need a Ventilation system take air from outside?

holygrail213

holygrail213

Member
Growtent in base ment Do I Need a Ventilation system take air from outside? currently 1 veg tent 1 flowering gonna setup fan and carbofilter on both but its basement do I need to make a ventillation system through window?
 
coreywebster

coreywebster

Well-Known Member
It depends on your basement. In mine there are lots of airbricks and a hell of a lot of air coming through. My basement is only under on half of my house, air brick/vents from the front of the house, into the basement, more on the opposite wall to out back.
If you have no air bricks or any type of ventilation down there then yes you will need to bring in fresh Co2 laden air to replace what is used by your flowering plants(and veg but not as much so)
I would imagine in your basement there is some sort of ventilation because it would be damp and mouldy without any.
If your only running say 2 tents around 3feet or 4 feet square then the built in ventilation should be fine, assuming I'm right and you have some. If your running larger tents then extra ventilation would be a good idea. Don't skimp on air exchange unless you plan to run with added Co2
 
holygrail213

holygrail213

Member
coreywebster said:
It depends on your basement. In mine there are lots of airbricks and a hell of a lot of air coming through. My basement is only under on half of my house, air brick/vents from the front of the house, into the basement, more on the opposite wall to out back.
If you have no air bricks or any type of ventilation down there then yes you will need to bring in fresh Co2 laden air to replace what is used by your flowering plants(and veg but not as much so)
I would imagine in your basement there is some sort of ventilation because it would be damp and mouldy without any.
If your only running say 2 tents around 3feet or 4 feet square then the built in ventilation should be fine, assuming I'm right and you have some. If your running larger tents then extra ventilation would be a good idea. Don't skimp on air exchange unless you plan to run with added Co2
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Thanks Same as you Basement only under on half of my house have a lotta windows to cover it if I cover the window air will coming down from the its door side which is floor of my house I'm running 5 x 5 x 5 tent and 4 8 7 tent for veg and flowering looking for decent inline fan with carbon filter any recommendation? I can't supply co2 in my area. Thanks for reply!
 
coreywebster

coreywebster

Well-Known Member
holygrail213 said:
Thanks Same as you Basement only under on half of my house have a lotta windows to cover it if I cover the window air will coming down from the its door side which is floor of my house I'm running 5 x 5 x 5 tent and 4 8 7 tent for veg and flowering looking for decent inline fan with carbon filter any recommendation? I can't supply co2 in my area. Thanks for reply!
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If you have enough windows you should be fine. Worst case you have to fit a box with an inline filter bringing more in. I imagine once you get your extraction sorted you will be good with passive if the windows don't get fully sealed. You can build a light baffle or light trap around your windows which will let air flow in but not let light out.
As for inline fans and filters, different places in the world seem to have slightly different options and opinions.
In the US I hear Phresh Filters mentioned a lot. I am in Europe, I like Rhino filters. I have an an Isomax fan (airforce 2) for my extraction in flower tent. A Ruck fan for veg and intake. Ruck fans are reliable and powerful. German Engineered with Swiss Bearings.
The Isomax is an acoustic fan, strong and powerful, can handle resistance in long ducts well. But I bought it for low levels of sound. Its good but there are quieter fans available. .
There are many good inline fans, just don't buy a cheap shitty one. I made that mistake and the noise was really loud, dodgy bearings ect.
A good inline or box fan will not set you back too much.

Good luck on your set up.
BTW I don't actually use my basement for my grow, the boiler and both gas and electricity meters are down there. Not ideal.
 
holygrail213

holygrail213

Member
THAN
coreywebster said:
If you have enough windows you should be fine. Worst case you have to fit a box with an inline filter bringing more in. I imagine once you get your extraction sorted you will be good with passive if the windows don't get fully sealed. You can build a light baffle or light trap around your windows which will let air flow in but not let light out.
As for inline fans and filters, different places in the world seem to have slightly different options and opinions.
In the US I hear Phresh Filters mentioned a lot. I am in Europe, I like Rhino filters. I have an an Isomax fan (airforce 2) for my extraction in flower tent. A Ruck fan for veg and intake. Ruck fans are reliable and powerful. German Engineered with Swiss Bearings.
The Isomax is an acoustic fan, strong and powerful, can handle resistance in long ducts well. But I bought it for low levels of sound. Its good but there are quieter fans available. .
There are many good inline fans, just don't buy a cheap shitty one. I made that mistake and the noise was really loud, dodgy bearings ect.
A good inline or box fan will not set you back too much.

Good luck on your set up.
BTW I don't actually use my basement for my grow, the boiler and both gas and electricity meters are down there. Not ideal.
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THANK YOU SO MUCH EVERYTHING SOLVED
 
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