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Thread: Just set up carbon filter need a few tips

  1. #11

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    Quote Originally Posted by MRJIMMY2017 View Post
    How do ino I have negative pressure in tent mate
    youll see the tent sides pull in when you start fan up.

    tbh i think you might struggle with just a 4" extract specially if theres lots of duct/bends to push through,i should imagine itll have to be flat out all the time,which if its a cheap end one will kill it fairly quickly,plus itll be noisy i spect.

    i have a70x70x160 tent and i definately need the present 6" in there.

    usb fans are only any good for gentle breezes for plants in tent .

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  3. #12

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    Quote Originally Posted by MRJIMMY2017 View Post
    How do ino I have negative pressure in tent mate
    when your tent walls suck inwards mate

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    that room would end up with no wallpaper and mold due to the humidity jump from the plants,
    venting is important, also help keep a stable temperature and environment mate

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    It's only puling in a little I know it's not enough the fan that came with filter is quiet the clip on fan I have is louder tbh i think I need a better fan pull cold air in the bottom will have to order one off eBay but unsure what fan to pull the air in will be enough for the time being I have put USB fan outside tent pushing in cold air at the bottom ends hole lol then inside tent a clip on fan that's sat near the tent hole pushing the cold air through middle of plants going up to carbon filter then ducting to other side of room


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  6. #15

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    Basically think I I had a better fan pulling cold air in I will get the negative pressure what do you think cheers guys

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    Quote Originally Posted by MRJIMMY2017 View Post
    That's what I've done I think I need a small fan in bottom pulling fresh air in but my fan is 5inch and to big to fit in bottom hole of the tent got 6inch PVC ducting but won't fit on fan my temps are 27c not too bad karsa
    Mine are at 30-32 regularly atm... Lowest I got it was 24 with a tent door open and everywhere my windows would open were... Weird for being in the south east UK huh?

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  9. #17

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    Yes that's abit on the warm side karsa I'm east UK but I've got a 250hps light and 2 fans I don't think is tent is going to suck in tho unless I get a better cold feeding fan just suck on what one to get lol

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    Quote Originally Posted by MRJIMMY2017 View Post
    Basically think I I had a better fan pulling cold air in I will get the negative pressure what do you think cheers guys
    I intake just get a cheap 4" black orchid axial and put some net or some kind of filter at one end to stop the bugs getting in.

    263094536200 and something like 222172291129 or netting like a net curtain. Cheap ad chips from charity shop or fabric shop for the right size. Just secure with an elastic band. The fan will sit fine in the porthole.

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  11. #19

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    It's a black orchid 4in fan with the carbon filter which is a buddy's carbon filter shall I just buy another orchid 4 or 5inch inline and just put that in bottom tent hole or get a different sort of fan

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    You really don't need an expensive set up for the intake as you can use the air in the room but as you're venting in the same room you should probably pull it in from elsewhere.

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