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    optimum room sq feet for 2 400w hps / 2 600w mh?

    I want to grow 9 plants under each light. The idea is to have 2 separate rooms, one for flower one for veg so I can rotate, that will both be in one bigger room. For the veg room 2 400w hps for flower 2 600w. Grown in 2 gal ebb and flow set up. Possibly 3.5 gallon... So I can...
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    rebar

    Ok so if could I make another solid mason wall thru the middle with a space made for a path between rooms? Then on top of this make 2 roof frames in both the spaces with support beams? (Like I was mentioning in my last message) the concrete will be resting most of its pressure on the top of the...
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    rebar

    Justugh
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    possible to CLEAN weed of white or brown/black mold?

    I wish there was something he could tell him for him tk want to keep it for himself. But your right
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    possible to CLEAN weed of white or brown/black mold?

    Live where there is crazy humidity. Lots of my buds got mold mostly the kind that turns them brown bud some of the worse ones got the fluffy white kind. Anyway I know its not useable besidds a bho or iso hash extraction...but I owe my friend(who doesn't smoke) 2.5 oz for supplyin the money...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Holy shit man come build me a luxury 5 story grow room! I'd love to get a spot like that someday. How mucb did it sell for again?
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    THE FUCK was on my plant???

    What was on my plant? Found these on leaves while trimming. Looks like purple spider eggs??
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Sweet sounds good. I'm going to have 3/4 plywood over a 2x6 frame (ran across the shorter side every 2ft. Should that and the xheckered rebarb be enough to support? May also add a few steel bars for extra support, and as for the rebarb I'm gunna pour half the roofs concrete, let it get sorta...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Oh and justugh, I had a few new ideas. The ventilation: making greenhouse sealed as possible I will run ducting with fan attached to the outside underground to the inside, then the sanething for the output. BUT. The output duct will actually be ran to the intake of the room, then the output of...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Ok thank you I'm getting it now. As for the pipe holes idk what u mean, I'm just going to cyt holes as close as possible to pipe size then fill the crack with polyurethane seal. That should be fine. Can you give me more info on how to construct the roof of this as well as a middle beam...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    So the rebarb doesn't go in the floor at at gotcha. But I'm confused about the walls rebarb...I don't know what you mean lay a new peice everytime I go up a few feet...aren't they just one long peice of metal? Couldn't I pour the firet 2-3ft section of concrete, insert vertical rbarb that go...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Last post was goin to u forogt to quote you. Lol
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Yes I am going to use these. Home depot selling a package of these smartblocks big enough for my use for 400 bucks. These are 10in thick with 5.75in of clncrete. The floor and roof I am going to make 8in just concrete slab thick. Still decideing on how to do the beam. Lowes quikcrete concrete to...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Yes I am going to use these. Home depot selling a package of these smartblocks big enough for my use for 400 bucks. These are 10in thick with 5.75in of clncrete. The floor and roof I am going to make 8in just concrete slab thick. Still decideing on how to do the beam. Lowes quikcrete concrete to...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Ok since I am gunna have the greenhouse over top I'm only going tovhave the cement roof around a foot from the ground. Also I'm only going to make the room 8x10 (or something close). This 12x14 is just to much. Understand I gotta lay the gravel still. Also I think I am going to put a concrete...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Thats alright man thought u dissapered on me! Doing some trimming mymyself on my outdoor plants of this season. Well if I can make a solid concrete subfloor I don't want to mess with any pump or drainage I'd rather just use a hand pump to collect dirty water and carry out in 5 gal buckets w...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    If I encase the room (and floor) in concrete.. will there even be a need all that under the foundation? (Trenches, water pit, sump pump, and gravel) Also, how much weight will this 12x14 room made of solid concrete (lets say 8 inches) be able to hold up (pretending theres no wood frame. If...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Well the wood is coated in waterproofing mold resistence stain tar roof sheet polyurethane...and on the outside of all that 8imches of concrete surrounding roof and walls. I really don't think the wood will rot with all of that. Maybe like years down the line or something . Besides if I'm going...
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    sump pump + dehumidifier + waterproof room design to prevent h&m for underground g.r?

    Oh and yes the exaust and cords wil be ran through the concrete also
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