Im doing a small grow in a 2x2 closet with 430w. hps light. my temp is kicking it around 75-80 but my humidity is only at 20% i even put a humidifier in there on full blast and it didn't do anything. any suggestions to get my humidity up a little bit? the plants do not seem to be struggling at all to grow and flourish, but i know that 20% humidity is too low and i want to be able to fix this problem asap. any advice helps. thanks everyone!

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get a heating mat and place a damp cloth on it and turn the mat on, works a treat.

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worrrrrrd. so i kinda want to get it somewhat "steamy" in there right?

how long into the grow r u when i started my seedlings i just put a clear cup over the top of them to create a humidity dome if their small enough try that for awhile otherwise u might thing a bout getting a better humidifier

for sure. the plants are definately still small enough for me to put the cup over them. thanks so much. should i be treating them like regular clones at this point? (ie. keeping the cup over them and letting them breathe a few times a day?) they've been under the light for about a week and a half.

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here's what i did to try to solve the humidity problem. i put the thermometer probe under the cup to see if it did anything.

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Keepin' it real in Los Gangales!

i put the dome on the clones but not one change in the humidity. im really starting to doubt my thermometer

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Keepin' it real in Los Gangales!

put a glass of water in the room and that should help with the humidity.

put a plate or bowl with water and some paper towls in it in to the box.

If you've got one of those thermos that reads inside and outside temp the probe that is on a wire doesn't read humidity, the humidity probe is in the thermo itself. So you'd have to put the actual thermometer under the cup.

If you're not using one of these types I'm not sure what to tell you.