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  • SpaceBound
    replied
    I went with this. It doesn't have the temp/humidity control. Just low/med/high I believe.

    Click image for larger version

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  • MeEasy
    commented on 's reply
    Like I said I wasn't trying to sell you anything I don't make anything from them I just think their explanation is easy understand so it would help you with your choice... good luck 👍

  • bboyfromwayback
    commented on 's reply
    Don’t waste you money on the units with the temp/humidity control. I have two and neither work right

  • bboyfromwayback
    commented on 's reply
    It must be dry as hell inside your house then

  • Hammer53
    replied
    I have a 3x3x6 tent with 4" fan, and have NEVER had it to full power in over a year. I'm in Southeast USA

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  • SpaceBound
    replied
    Originally posted by MeEasy View Post
    SpaceBound here's a link to a tutorial on ventilation for grow tents, it's from ac infinity I'm not trying to sell you the product the article is very informative. Imo a 4" system would be to small and you would be replacing it

    https://www.acinfinity.com/pages/tec...ion-guide.html
    I'm currently in Kansas City. Humidity here can be 20% in the morning, and 80% rh in afternoon. My current 44g trashcan tent sits between 50-60%.

    Ty sir for the info. The 6" fan, with variable speed setting, and carbon filter is on sale at vivison. Think I'm gonna snatch that one. The AC stuff looks nice as hell, just more than my budget currently has. Looking at triple the amount of the vivison full kit, for just the fan.

    For sure when I upgrade after a couple grows I'll look into that stuff.

    Leave a comment:


  • bboyfromwayback
    replied
    I have a 6” in my 4x4, wish I had a 8”. If you’re on the east Coast with easy coast humidity get the bigger fan. From what I can tell on here it’s not much of a issue in other regions
    Last edited by bboyfromwayback; 07-06-2021, 10:59 AM.

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  • MeEasy
    replied
    SpaceBound here's a link to a tutorial on ventilation for grow tents, it's from ac infinity I'm not trying to sell you the product the article is very informative. Imo a 4" system would be to small and you would be replacing it

    https://www.acinfinity.com/pages/tec...ion-guide.html

    Leave a comment:


  • User420111
    replied
    Originally posted by User420111 View Post
    I got the 6" duct for a 5x5 tent and frankly I haven't turned it up past the absolute minimum setting since I started using it. Number one, it works just fine on the lowest setting and number two, it's very loud on anything above that. My grow is directly beneath my kitchen so it's pretty obvious something is happening down there when it's on max power

    I'd say a 4" for a 4x4 tent would be more than adequate

    Look at it this way (or at least I would) if you get the 4" and it's not enough you can get the 6" later and still have a 4" for a backup. That's smart business sense. Unless you're really hamstrung on a tight budget I always go for more and then use it to my advantage.

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  • User420111
    replied
    I got the 6" duct for a 5x5 tent and frankly I haven't turned it up past the absolute minimum setting since I started using it. Number one, it works just fine on the lowest setting and number two, it's very loud on anything above that. My grow is directly beneath my kitchen so it's pretty obvious something is happening down there when it's on max power

    I'd say a 4" for a 4x4 tent would be more than adequate

    Leave a comment:


  • MeEasy
    replied
    I bought a 4" vivosun fan and it wasn't enough for my 2x4, I don't know if there was something wrong with it but I replaced it right away. Because it sat in my closet unused for a couple months I wasn't able to return it or I would have. This is the one I bought

    https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

    Leave a comment:


  • SpaceBound
    replied
    Enough to not have issues with ventilation for 2 plants in a 4x4 tent.

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  • OldManGrower
    replied
    It depends what you are looking for. The 190 CFM fan will change all the air in your tent twice in less than one minute.

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  • SpaceBound
    started a topic 4x4 tent ventilation

    4x4 tent ventilation

    Is the 4inch inline vivison 190cmf set enough airflow for 4x4x80? 1 or 2 plants max.
    or spend the extra $ for the 6' 390cm.

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