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Hygrometer/thermometer

This is a discussion on Hygrometer/thermometer within the Semi Hydro / Lights / Greenhouses / Accessories forums, part of the Orchid Culture category; Today i finally decided to buy a hygrometer which was a good idea because my ...

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    Default Hygrometer/thermometer

    Today i finally decided to buy a hygrometer which was a good idea because my orchids were only getting 30-35% humidity everyday. I had my humidifier on low because i didnt know how much moisture there was in the air and i didnt want my orchids to get crown rot or something, but now i increased the humidifiers and the hygrometer reads between 50 and 55% humidity. Do you guys think this is enough humidity, if not; should i increase my humidity and by how much.

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    Hi Raver, I like to keep the humidity at around 70 %, to be precise it is in mid 70s during the day and around 60 to 65 at night. But for the last 2 months the relative humidity in my greenhouse peaked to a 100% during mid-day due to very high temps. (40 oC )

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    its been around 85 degrees here for the past week, but my inside temperature is usually between 70-80 Degrees. So should i raise the humidity to 70%?

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    Quote Originally Posted by Raver View Post
    its been around 85 degrees here for the past week, but my inside temperature is usually between 70-80 Degrees. So should i raise the humidity to 70%?
    Yes. It will be good for the orchids. Make sure you have plenty of air movement to avoid problems.

    Cheers,
    BD

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    Also be aware that humidity that high inside a house can cause mold to grow on the walls, which is another whole issue.

    Susan

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    I increased the humidity to 70% but sometimes it goes up to 85% and after a few hours it goes down to 70%, is this normal? i think i have plenty of air movement, i have the ceiling fan on all the time plus i got 2 other fans blowing air in 2 different dirrections. Is this enough air or should i add move fans?? Thanks guys for all the help =)

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    My orchids are in my basement... getting the humidity DOWN is a problem for me. I run a dehumidifier all summer and fall. I try to keep the area around 50%. It tends to get mildewy if I let it get higher. Even with a 20 inche box fan going all day.

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    i lower it to 60% and now it stays between 55-75 so i guess thats good enough

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