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  1. Mr.J420

    almost caught fire, electrical question

    The larger blade in your picture is burned and that is usually the neutral. Get a tester and make sure you do not have a polarity issue, if it was a loose/dirty connection it is possible the polarity is fine. 12 guage wire is always the way to go. I think its a good idea to use as few extension...
  2. Mr.J420

    Help me set up a stealth grow

    Secret rooms are the best! If you have enough space you can put a couple tents in there to do a perpetual pretty easy. If you are handy and have some tools have fun building it yourself!
  3. Mr.J420

    2 x 1000w cooltube heat question

    If you draw directly into the cool tubes from outside and its only 5c you will probably get a bunch of condensation, that's not good at all.
  4. Mr.J420

    12"x48"x90" Closet 400W HPS

    Mdf and cardboard suck in growing environments. Literally they suck up all the water and swell and peel and mold and get wrecked quick. Even particle board isn't great with water. Plywood is the most durable. I don't know what it is but everything seems to get wet when watering plants. White...
  5. Mr.J420

    need help with grow room setup

    haha ya don't mix a strechy sativa with the short indicas on your first try starting up a perpetual, that can get tricky.
  6. Mr.J420

    Lightproofing a bedroom door

    Small indicator LED's are going to need to be very bright and very close to your plant to affect it. A green led will do nothing no matter what. How bright can the moon get?
  7. Mr.J420

    Allow me to introduce myself.

    SHIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIT. Welcome clan master. Looking good! how do you find the blue dream for stretch?
  8. Mr.J420

    15'x15'x8' bloom room heat problems

    I tend to be clumsy and bump lights n shit so I like having a cool tube to protect me. I agree if the air passing through them isn't filtered they can loose alot of light and be a pain to clean. I think its a good idea having the lights on a closed loop from one part of your home venting out...
  9. Mr.J420

    Duct Booster vs. Inline vs Muffin Fan vs OTHER...what is best for my small space?

    I had a 400w in a space not quite as long and i had to spend the money and get a good quality 4" centrifugal to run through a cool tube and another 4" pulling through a carbon filter. I was able to turn them down abit making it alot quieter. T5's and you should get away with just one fan on a...
  10. Mr.J420

    2000 watts on a 15 amp breaker

    I just looked at flip flop timers too and found the same thing. Quality timers rated for the 8-9 amps your drawing should hold up... It is somewhat risky but all you would do is trip the breaker when the second light tries to fire up.
  11. Mr.J420

    That Stink!!!!!

    You can get a dog to do that for you too. Maybe have to train it abit to pee in a solo cup.
  12. Mr.J420

    Vent Question

    Pull air from inside out, use a passive intake. I like to keep the filter separate from the cool tube setup. You can even keep the fan and filter outside of the room just make sure your connections are 100% sealed.
  13. Mr.J420

    1000 gallon pots (is it possible?)

    a 4'x4' raised bed would be 8' deep to be 1000 gallons....So much soil!
  14. Mr.J420

    Floor

    Why would you make it black? Go white and reflect as much light as possible around!!!!! I love 6mil white plastic floors! So easy to keep clean!
  15. Mr.J420

    4th Official Party Cup Grow off Update Thread

    I had a knocked over cup about a month ago. Not as high as your fall tk and no explosion but the roots were totally out! She's come back to be star of the garden!
  16. Mr.J420

    new grow room design

    If you have the time and tools to building yourself a tent go for it. I would use 2x3's min and just screw them together. 2x2's are hard to screw together unless you pre drill everything, even then they can split. By time you buy wood, panda film, screws, staples, hooks, loops, chain, tape...
  17. Mr.J420

    2x4x8 tent fan

    With led you will be able to turn the 6" right down no problem. 8" I'd recommend if you were doing hps, otherwise not worth it.
  18. Mr.J420

    2weeks into flower and a hermie?

    Its fine! Seed pods don't grow hairs!
  19. Mr.J420

    Venting room to heater/hotwater flue

    Glad to hear you have come around on the safety issue. Don't worry about FLIR, it cannot see through walls it can only detect warm vs cold. In my area it is used only by helicopter to find large grows venting into attics, or grows in attics. A couple lights in an un-insulated attic will show up...
  20. Mr.J420

    Venting room to heater/hotwater flue

    Beta you are awesome, ask for advice then ignore the best advice. DON'T DO IT! UNLESS: Get a new high efficiency furnace and hot water tank, the tank is cheap if you rent. Furnace's can be $2000-$5000 The new units will be direct vent freeing up that stack for you to use SAFELY. Of course at...
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