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Thread: Max Grow Temp Allowed

  1. #1
    bubadutep75's Avatar
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    Max Grow Temp Allowed

    What is the highest the temp that my grow room can get, my plants have stopped growing but the temp is 95 degrees or higher.

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    WashougalWonder's Avatar
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    My understanding is when the roots reach 85 F they stop growing and just exist.
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    cronicmonster is offline Registered+
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    I can tell ya this ....Temps inside my greenhouses hover about 90-100 all day. NO problems w/growth here!!!
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    Dutch Pimp's Avatar
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    lots of fresh air, will help/offset, high temps...

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    Quote Originally Posted by Dutch Pimp View Post
    lots of fresh air, will help/offset, high temps...
    agreed... mid 90's - 100 no problem with enough air exchange. Strains react differently to temps (high or low) so keep an eye out. Lots of ways to reduce temps if needed. I would be more concerned with high temps toward the end of flowering as some strains might not get the message that it's time to finish. I had a NL strain that turned out a lot better if you got the temps down for the last couple weeks. Not a problem with a lot of Sativa-dom types tho, some of them will turn yellow, drop all the fans and finish very quickly if the temp drops too much.

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    Thete's a link in my signature that can provide some handy tips for dealing with heat issues.

  7. #7
    bubadutep75's Avatar
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    Thanks for all the tips, I have my timer set-up now so the lights are off at the hottest part of the day and I just checked the room at its 89 degrees so I think I am good if not I have a full basement I'll just move it down there if they still don't start growing faster.

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