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Thread: How to Kill/Seal Black mold, mold & mildew

  1. #1
    Member of the Month Winner - September 2012 Nug of the Month Winner - April 2013 Alaskan1's Avatar
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    How to Kill/Seal Black mold, mold & mildew

    Hey everyone. I thought I would share the information I found after much research on combating black mold once you have it and how to prevent it. If your growing hydro the issue isn't IF you get black mold rather then when. In most hydro systems leaks can occur because of many many different reasons. Here I will show you what you need to do once you have the mold and also prevention.


    Lets begin with the things we will need. First off the chemicals needed
    1. TSP cleaner
    2. Bleach
    3. Moldex
    4. Water


    Other items you will needs are as follows
    1. paper towels ( many many many rolls)
    2. garbage bags
    3. nitrile gloves
    4. (2) 5 gallon buckets
    5. respirator
    6. measuring cup
    7. 1 gallon sprayer
    8. scrub brush
    9. (2) towels


    And last but not least Kiltz Paint


    Now before we start a few things first. Black Mold is dangerous shit. It can infect your lungs if breathed in and will at some point send you to the ER. If ingested thats a whole different matter with the same result. Sending you to the ER. FIRST THING you do if you suspect you have black mold.........seal the room. You DO NOT want it finding it's way to the rest of your house.
    Second thing.......When you enter the room wear a respirator and nitrile gloves. Also, before you leave the room take your shoes off. You don't want to track it through the house.
    Third and last. DO NOT touch the mold or sweep it at all. If somehow it gets restled at all it can release spores and now you have a even bigger problem.

    A short story on how I ended up with black mold. I use a flo n gro system. The flood and drain is controlled by a controller buck. My controller took a crap on me and flooded my grow space. At first I just thought it was a fluke, rest the controller and tested it. Everything worked fine........for two days then it flooded again. I tried to vaccum up all the water but apparently it found it's way under my tent. I had no choice to leave it as I still had another month of growing left.

    This is what I found when I pulled up the carpeting.



    And that was just the begining. After I saw that I know what I needed to do. Pull the carpet. Now if you have to pull carpet and matting and toss it out toss it out the window if at all possible. I put the matting in large garbage bags and tossed those and the carpet out the window. I'm sure my neighbors were wondering what the hell I was doing. After pulling everything this is what I found.



    Now, you need to grab a 5 gallon buck. Read the directions on the TSP box and mix accordingly. Use HOT water when mixing this up. Now get your respirator on, grab the scrub brush and get to scrubbin!!!. You will dip the brush into the 5 gallon buckets solution and as you scrub you will see that everything turns to a very dark brown/greenish sludge. Use the paper towels you have and wipe up the sludge and throw it into your garbage bag. Hit the area again and wiper up. Second time should come up a little cleaner looking. Repeat the process everythere you have to. Here you can see what I have done


    You have to let everything dry for 24 hours. The most damaged areas will still have some darkish areas but this it what you'll end up with.


    Now that the mold has been beaten down a bit now it's time to kick the shit out of it. Moldex kills any mold and mildew and also seals it. It kills the roots of mold that you just can't scrub out. So, get your sprayer out and fill it with the moldex. Remember to still wear your respirator.
    Here is what it will look like once it's complete. Also, let this dry for 24 hours.


    After this dries you no longer need the respirator. Now it's time to paint the sub floor with the Kilz! The finished product


    After this dries if you have a Ion generator to clean the air floating in the room it would be a good time to use it and filter any particles in the air.

    Well. This wraps it all up. If you have any questions please feel free to either ask me here or PM me.

  2. #2
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    re: How to Kill/Seal Black mold, mold & mildew

    I can't really tell if your floor is wood or concrete but can you get this black mold on a concrete floor?
    Alaskan1 likes this.

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    Cannabis Connoisseur GigaGrew's Avatar
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    re: How to Kill/Seal Black mold, mold & mildew

    i see you left your carpet runners down...did you soak them in moldex? wouldnt want to leave a safe haven for your next carpet

  4. #4
    Member of the Month Winner - September 2012 Nug of the Month Winner - April 2013 Alaskan1's Avatar
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    re: How to Kill/Seal Black mold, mold & mildew

    Quote Originally Posted by DocDee View Post
    I can't really tell if your floor is wood or concrete but can you get this black mold on a concrete floor?
    They used particle board on the sub floor (cheap bastards) I think with concrete you have much much less issue since it's non porous.
    GigaGrew likes this.

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    Member of the Month Winner - September 2012 Nug of the Month Winner - April 2013 Alaskan1's Avatar
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    re: How to Kill/Seal Black mold, mold & mildew

    Quote Originally Posted by GiGaBaNE View Post
    i see you left your carpet runners down...did you soak them in moldex? wouldnt want to leave a safe haven for your next carpet
    Yea even the first two feet of wall space got hit with the moldex as well just to be safe. Really some great stuff that moldex. I am going around tonight and will do some clean up painting on some spots I missed and then the room is ready to be put back together and start a growin again.

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    Member of the Month Winner - June 2012 jandre2k3's Avatar
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    re: How to Kill/Seal Black mold, mold & mildew

    awww... that wasn't as bad as I thought it was... just around the tack strip where the cellulose is... pshhh...

    Good how-to, though.

    I give it 5-stars for the paint-over to keep moisture off stuff later.

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    Member of the Month Winner - December 2012 WizHigh's Avatar
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    re: How to Kill/Seal Black mold, mold & mildew

    Great thread. What about putting down that film that has one side black and the other side white??? Black part facing down will prevent any mold from growing.

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    Member of the Month Winner - June 2012 jandre2k3's Avatar
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    re: How to Kill/Seal Black mold, mold & mildew

    Quote Originally Posted by WizHigh View Post
    Great thread. What about putting down that film that has one side black and the other side white??? Black part facing down will prevent any mold from growing.
    Panda Film is not Anti Fungal. It will just keep moisture off the floor, and subfloor, for the most part.

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    Member of the Month Winner - December 2012 WizHigh's Avatar
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    re: How to Kill/Seal Black mold, mold & mildew

    Oh OK, I was wondering because I wanted to do the same thing here in my grow room on my next grow. So I guess I wouldn't need the panda film. Thanks!

    1.5 -In Progress

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    re: How to Kill/Seal Black mold, mold & mildew

    Wasn't too bad my friend,, thank god. Just my 2 cents I'd have pulled that tack strip up and primed up the wall 4or5 inches from the bottom. Least then you have your bottom cut in for when you decice to paint them baby shit yellow walls white. Jk not but Glad you up and running. Merry X-mas Keepem Green
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    Member of the Month Winner - September 2012 Nug of the Month Winner - April 2013 Alaskan1's Avatar
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    re: How to Kill/Seal Black mold, mold & mildew

    When I turn the entire room into a grow I will pull all that stuff up and repaint the room and put down a pond liner.

  12. #12
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    Re: How to Kill/Seal Black mold, mold & mildew

    Quote Originally Posted by Alaskan1 View Post
    When I turn the entire room into a grow I will pull all that stuff up and repaint the room and put down a pond liner.
    a Pond liner, I like that idea. Going to look in to that as an idea for my current and next room that's in the makings.
    If not a pond liner, maybe some thing else along those lines.
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