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keegan.wrathmall
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Registered: 01/19/20
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Household digital humidifier for fruiting chamber, cannot be used with timer.
#26587702 - 04/08/20 11:56 PM (3 years, 9 months ago) |
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I screwed up by buying a 2nd hand (digital display) humidifier which I need for a small fruiting chamber I am going to make. It was cheap so not a big deal, but will it be a problem to run it on a 12hr cycle? Turn it on when I wake up and turn it off when I get home from work. Are they expensive to run and is that too much moisture? It’s the ultrasonic type with only one mister. I’m thinking I might sell it again and try find a on/off type that I can use with a timer.
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bogdancev
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Registered: 09/01/17
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Re: Household digital humidifier for fruiting chamber, cannot be used with timer. [Re: keegan.wrathmall]
#26587837 - 04/09/20 01:34 AM (3 years, 9 months ago) |
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When I switch off humidifier and measure humidity in my small chamber/enclosure -- humidity drops to 50% within few minutes. So if I leave it off for half a day, that would be bad.
But that is my situation, my chamber has huge opening at bottom so it does not keep humidity nicely.
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DigitalRhizae
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Registered: 06/03/17
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Re: Household digital humidifier for fruiting chamber, cannot be used with timer. [Re: bogdancev]
#26587900 - 04/09/20 03:00 AM (3 years, 9 months ago) |
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Why can't it be used with a timer? Is it because when it turns on it needs user input to run? 12 hours on will likely make your chamber far to wet and you'll likely get water pooling like crazy, unless it's a fairly large space. You can calculate the cost by finding out the wattage of the humidifier, calculate the kilowatt hours it uses and multiple that by the cost of your electricity per kilowatt hours. But generally the home units are pretty low wattage.
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keegan.wrathmall
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Registered: 01/19/20
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Last seen: 1 year, 9 months
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Re: Household digital humidifier for fruiting chamber, cannot be used with timer. [Re: DigitalRhizae]
#26588010 - 04/09/20 05:05 AM (3 years, 9 months ago) |
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Yes the problem is the user interface. Once the plug is pulled, it stays off until I tell it what to do on the display... I mean it doesn’t pump out a huge volume of mist and I plan on making the chamber about 1m cubed.
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seagu

Registered: 03/03/18
Posts: 952
Last seen: 8 days, 10 hours
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Re: Household digital humidifier for fruiting chamber, cannot be used with timer. [Re: keegan.wrathmall]
#26588053 - 04/09/20 05:37 AM (3 years, 9 months ago) |
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it may not pump out a large amount of mist, but it will easily add up, on your floor, bags, shelves, any crack it can seep out from over 12 hours of constant on. Think swimming pools all over the place.
So I am still a little confused on this.. if you can set the RH and leave it plugged in. Won't it cycle on and off to maintain the RH? If it does that, then that is what you want.... just leave it plugged in all the time. Adjust the RH for your chamber.
-------------------- Plan to win or you are planning for failure. Don't let anyone tell you you can't do it. Just figure out the solution. Even if that means banging your head on a wall until the solution oozes out of you.
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DigitalRhizae
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Re: Household digital humidifier for fruiting chamber, cannot be used with timer. [Re: seagu]
#26589541 - 04/09/20 07:28 PM (3 years, 9 months ago) |
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I think the problem with those type of humidifiers with the built in humidistat is that, since they are designed for household use, the humidistat is set to not go above 70% RH to prevent people running them too long and causing mold problems. It's a pretty typical cut off point for household humidistats. Also, they are probably not very accurate.
You might be able to open it up and bypass the digital display altogether if you are comfortable with electricity and rewiring it. The ones I've opened up had a built in AC/DC adapter and all the components were DC, but these didn't have have a digital display.
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