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  • Ventilation/Setup comments welcomed!!!

    Whats up guys? I am just wanting some tips on improvement on my setup before I press start! Any comments are greatly appreciated!!

    I am going to explain to you what I have planned :

    I am have constructed a grow box in my attic, The construction is done now its time to install fans, lights, etc......
    The box is 5.5' Wide x 4' long x 6' height, the side walls have a slight angle to them ( I am using the roof trusses as my grow room wall studs )!
    I put osb as my outside walls ( i framed out my box using 2x4s and the existing trusses )
    I then put r30 insulation in my inner walls (this stuff isthick, I had to pretty much stuff it in and put the sheetrock on)
    The grow box has sheetrock as the inside walls, painted white!
    I also sprayed foam insulation in any cracks/gaps I found and lined everything with caulk ( the outside and inside)

    I will be using a Digital Greenhouse Dimmable 600 Watt Grow Light, which can run MH & HPS.
    I will be growing from seed every grow, so I will veg with the MH and flower with the HPS mode, starting the MH at 25%to50%75%to100%!!
    The hood is a easy cool 6 reflector and I will be exhausting the room with the growbright 6" inline fan through my hood so:
    *carbon filter -->fan-->light-->Ducting to ridged vent in the top of my attic!

    The fans will have a speed controller and a muffler or a DIY fan box, I havent decided which way will be more effective at being stealth, Im GONNA SHOOT FOR NO NOISE FROM FANS. ARE THESE FANs STILL LOUD WITH THE MUFFLER ATTACHED? I HAVENT PLUGGED IT IN YET!!!!

    I will be using another growbright 6" inline fan as an intake, tapping into my home HVAC system! I will be able to cool in the summer and heat in the winter running off of my home hvac system, I keep the temp at 70, year round! I will run my intake fan at 50% speed and my exhaust at 100% to create negative pressure!!

    I will be growing in soil, with a drip system using greenhouse seed co beans, Kings Kush and Chemdog! I have experience with hydro and soil, I prefer soil...more natural to me

    So what do you guys think? I appreciate any comments....

    I have a few questions :
    Do the fan mufflers really cut the noise out more than the DIY fan box?
    Anyone have experience with the Chemdog or Kings Kush from Greenhouse Seed co.???

    Thanks again for any suggestions/comments!

    AmRaK

  • #2
    Im curious as to why you want to create neg pressure? Wont the neg pressure cause undue wear on the fans not to mention suffocate your plants? They need as much fresh air as possible. The rest of the set up sounds TITs man good luck


    p.s. make sure your hood and all duct connections are airtightor you will suck stinky air into your exhaust thus negating any benefit of your scrubber.
    just hoping i do it right

    Comment


    • #3
      Do you have any pics of the setup? We're a simple bunch and we like pictures.



      Peace....
      If I could be anywhere, I wouldn't be here.

      When you live with pain long enough, you no longer feel it. Like a fish in water.

      Life is short, break the rules, Forgive quickly, Kiss slowly, Love truly, Laugh uncontrollably, And never regret anything that made you smile.

      Comment


      • #4
        If you want a cheap and easy way to cut fan noise, hang them IN THE BOX THEY CAME IN, cut holes front and back, attach duct lines, then stuff with Rocksill Safe & Sound insulation. I will be soon. See how it goes
        Peace,
        JJb



        "The highway is alive tonight, nobody's fooling nobody as to where it goes. I'm sitting down here in the campfire light, searching for the Ghost of Tom Joad..." RATM

        Comment


        • #5
          Sounds like a man with the plan

          Just don't have seven fans going...there's no way anyone needs seven fans...especially if two of them are inline. Much more efficient ways to set up things....one inline for fresh air...one inline for light venting...and two oscillating in the grow room is max all you need.

          If it's in the attic...why muffle it? I doubt you'd here it anyway. Good luck!
          Marijuana=love
          Love=happiness
          Happiness is key

          Comment


          • #6
            Just was reading your post, watch the dimmable ballasts.

            I had horrible luck with them and blowing bulbs. Hortilux says not to dim their bulbs at all, that it will not put out the correct spectrum.

            Looking foward to the pics
            Now you know, and knowing is half the battle......GI Joe


            The only true wisdom is in knowing you know nothing......Socrates

            Comment


            • #7
              Originally posted by ofo
              Unless your grow has 7-600w in a 25'x5' attic . kids...




              You want a neg pressure in any grow so the stink dosnt get out . It wont have any effect on the fans . Use an inline to exhaust and keep a passive intake .
              Small attic...all the more reason to not have seven fans...two 10" or 12" in-lines vent those hoods easily...Add in a couple fans to move the canopy...with all that firepower if could cancel out a fresh air intake fan...it's in the attic so those in-lines should pull in enough fresh air. Just my .02 take it for what it's worth.
              Marijuana=love
              Love=happiness
              Happiness is key

              Comment


              • #8
                Welcome

                I then put r30 insulation in my inner walls (this stuff isthick, I had to pretty much stuff it in and put the sheetrock on)

                Comment - Compressing fiberglass insulation reduces its R value, best to use Batts made for your studs...just sayin



                I also sprayed foam insulation in any cracks/gaps I found and lined everything with caulk ( the outside and inside)

                Comment - Good call, but is there a vapor barrier? If not & it's cold outside, water will condense in these walls


                The fans will have a speed controller and a muffler or a DIY fan box, I havent decided which way will be more effective at being stealth, Im GONNA SHOOT FOR NO NOISE FROM FANS. ARE THESE FANs STILL LOUD WITH THE MUFFLER ATTACHED? I HAVENT PLUGGED IT IN YET!!!!

                Comment - GENERALLY noise is created by turbulent air in ducts and at termination points...that said a 6" fan is by no means silent...

                I will be using another growbright 6" inline fan as an intake, tapping into my home HVAC system! I will be able to cool in the summer and heat in the winter running off of my home hvac system, I keep the temp at 70, year round! I will run my intake fan at 50% speed and my exhaust at 100% to create negative pressure!!

                Comment - Do not do this, HVAC duct systems are designed around set variables, change those variables and you may end up with a 90 degree bedroom...


                Happy Growin'
                read every post in the faq ull need to eventually so might as well get it overwith that way ull know what to expect and be prepared for the oopss that come on every single first grow since the dawn of time/miracle grow is composed of slow release chemical nutrients,as the plant starts flowering its need for N drops and need for P increases but the nutes available in the soil remain high in N and low in P and ur plant dies = N Burn


                My gallery
                http://forum.growkind.com/gallery/se...hp?searchid=30

                Comment


                • #9
                  I don't know man maybe it's just me but that sounds like a whole lotta bullshit for a 5x4x6 growbox. Personally I think if you want things quite you should simply invest in quality fans & insulated ducts and you'll be 90% there. I'd skip the mufflers as well. I think you'd be way ahead of the game if skipped half of the equipment you're planning on and just keep it simple. Just the basics and nothing more, passive intake ect ect.....


                  Any why pray tell would you want to grow from seed every fucking time??? lost me on that one too..

                  Duc
                  current moms on hand
                  Dabney Blue
                  LemonBerry
                  Girl Scout Cookie
                  Blue Widow
                  AK-47
                  White Rino
                  Confidential Cheese
                  get your GK swag on

                  Comment


                  • #10
                    Originally posted by AmraK View Post
                    Whats up guys? I am just wanting some tips on improvement on my setup before I press start! Any comments are greatly appreciated!!

                    I am going to explain to you what I have planned :

                    I am have constructed a grow box in my attic, The construction is done now its time to install fans, lights, etc......
                    The box is 5.5' Wide x 4' long x 6' height, the side walls have a slight angle to them ( I am using the roof trusses as my grow room wall studs )!
                    I put osb as my outside walls ( i framed out my box using 2x4s and the existing trusses )
                    I then put r30 insulation in my inner walls (this stuff isthick, I had to pretty much stuff it in and put the sheetrock on)
                    The grow box has sheetrock as the inside walls, painted white!
                    I also sprayed foam insulation in any cracks/gaps I found and lined everything with caulk ( the outside and inside)

                    I will be using a Digital Greenhouse Dimmable 600 Watt Grow Light, which can run MH & HPS.
                    I will be growing from seed every grow, so I will veg with the MH and flower with the HPS mode, starting the MH at 25%to50%75%to100%!!
                    The hood is a easy cool 6 reflector and I will be exhausting the room with the growbright 6" inline fan through my hood so:
                    *carbon filter -->fan-->light-->Ducting to ridged vent in the top of my attic!

                    The fans will have a speed controller and a muffler or a DIY fan box, I havent decided which way will be more effective at being stealth, Im GONNA SHOOT FOR NO NOISE FROM FANS. ARE THESE FANs STILL LOUD WITH THE MUFFLER ATTACHED? I HAVENT PLUGGED IT IN YET!!!!

                    I will be using another growbright 6" inline fan as an intake, tapping into my home HVAC system! I will be able to cool in the summer and heat in the winter running off of my home hvac system, I keep the temp at 70, year round! I will run my intake fan at 50% speed and my exhaust at 100% to create negative pressure!!

                    I will be growing in soil, with a drip system using greenhouse seed co beans, Kings Kush and Chemdog! I have experience with hydro and soil, I prefer soil...more natural to me

                    So what do you guys think? I appreciate any comments....

                    I have a few questions :
                    Do the fan mufflers really cut the noise out more than the DIY fan box?
                    Anyone have experience with the Chemdog or Kings Kush from Greenhouse Seed co.???

                    Thanks again for any suggestions/comments!

                    AmRaK

                    I agree you are over thinking this

                    1) good fans are quiet get a vortex - very quiet

                    2) solve your cooling issues before you start -go led

                    Like duc said - keep it simple
                    Nothing left to do but smile smile smile
                    Jerry Garcia/Robert Hunter

                    Life is not for Sissies


                    Currently running:

                    Blue Dawg
                    Lemonberry
                    Girlscout Cookie
                    BB-Cheese
                    Critical Kush
                    Aurora Borealis
                    Unknown Diesel

                    Comment


                    • #11
                      2011 guys....anyone grab that?
                      Lifes a garden, dig it....then..plant it, grow it, dry it....roll it up and smoke that shit!!!


                      MOMS :
                      Dabney Blue
                      White Rhino
                      Blue Dream
                      Gorilla Glue #4

                      Comment


                      • #12
                        Oooohhhh, boondoggle...

                        Where did I see this thinking I should respond? Lol

                        Wtf?
                        read every post in the faq ull need to eventually so might as well get it overwith that way ull know what to expect and be prepared for the oopss that come on every single first grow since the dawn of time/miracle grow is composed of slow release chemical nutrients,as the plant starts flowering its need for N drops and need for P increases but the nutes available in the soil remain high in N and low in P and ur plant dies = N Burn


                        My gallery
                        http://forum.growkind.com/gallery/se...hp?searchid=30

                        Comment


                        • #13
                          I was just testing you, knew it all along...... yeah that's it, that's the ticket.....


                          current moms on hand
                          Dabney Blue
                          LemonBerry
                          Girl Scout Cookie
                          Blue Widow
                          AK-47
                          White Rino
                          Confidential Cheese
                          get your GK swag on

                          Comment


                          • #14
                            I was just gonna let em go on and on


                            In the Stable:

                            Jackberry X KO Kush
                            AK-47
                            Critical Kush

                            Comment


                            • #15
                              Originally posted by friendlyfarmer View Post
                              I was just gonna let em go on and on
                              HA! A likely story if ever I heard one
                              current moms on hand
                              Dabney Blue
                              LemonBerry
                              Girl Scout Cookie
                              Blue Widow
                              AK-47
                              White Rino
                              Confidential Cheese
                              get your GK swag on

                              Comment

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