Aqua Man
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Looks like to much light to me
Looks like to much light to meNoticed this on a plant, I have done some research and think it might be calcium deficiency. Any thoughts?
Bud
Thanks @Aqua ManLooks like to much light to me
There they go! For heat what's your rh? Get more cool air in and make sure your exhaust pulls it out from above the lights. You could try freezing water bottles and blowing air over them and into your grow space?
I saw the bottle and fan method but havent tried it yet.There they go! For heat what's your rh? Get more cool air in and make sure your exhaust pulls it out from above the lights. You could try freezing water bottles and blowing air over them and into your grow space?
Pulling air directly from outside which is 86 Fahrenheit at the moment. We don't usually have this level of heat!That range works, it's really VPD you want to manage with humidity. You do want your leaf temps to be below 85 Fahrenheit or you have problems though. What is the temp of the air you are pulling into the space?
Yeah man, that is your problem. Good luck!Pulling air directly from outside which is 86 Fahrenheit at the moment. We don't usually have this level of heat!
I have a few bottles frozen which I'm going to stick in front of the fan.
Bud
Thanks @Milson for the advice.Yeah man, that is your problem. Good luck!
I use the same app! Glad to help.Thanks @Milson for the advice.
I wasnt aware of VPD, just done the maths and my RH% is way off.
I have moved the humidifier to 75% (it's max) and turned the large fan off and strategically positioned the other fan so it doesn't blow the mist too much to get extracted straight away.
Found an app that quickly calculates the VPD and has targets for each grow stage.
Bud
Thanks for sharingWhen you have high light VPD is your best friend. Does that calculator take leaf temps into account?
And what KPA are you at?
I did a thread on VPD here. It also lists ideal KPA for stages of growth.
VPD (vapor pressure deficit)
Ok i was gonna sit down and write out a whole article but i have been lazy so instead instead I'm going to copy paste because im lazy. This is not my work so let start. You may find this very long but its worth the read. Some may want to skip ahead. I have added here and there to what i feel is...www.thcfarmer.com
Wouldn't freak out to much. Remember this is creating optimal conditions. That said it's not good but the plant should be ok. Right now it's in a high humidity area. Move the hygrometer to the top of the hydroton and check for yourself. This is what we call microclimates. Ideally we want to eliminate them but in this case it's helping you outNot good, can't get the temp down or the humidity up quick enough.
I have just had to turn the lights on which will add heat, outside is starting to get cooler and hopefully the humidity will rise.
One plant is starting to show heat stress.
Bud
This is old school but if the area is small enough, You may be able to raise the humidity by placing a bucket of water with a cloth towel hanging out the edge acting as wick with a fan blowing on it. You can slightly manipulate the humidity by how much you leaving the towel dipped in the water hanging out.Not good, can't get the temp down or the humidity up quick enough.
I have just had to turn the lights on which will add heat, outside is starting to get cooler and hopefully the humidity will rise.
One plant is starting to show heat stress.
Bud
Have used this method last summer worked great saved my crop I made up a hobo humidifier I set up a small fan to blow across a drip tray full of water . Easy n cheap fix . Od .This is old school but if the area is small enough, You may be able to raise the humidity by placing a bucket of water with a cloth towel hanging out the edge acting as wick with a fan blowing on it. You can slightly manipulate the humidity by how much you leaving the towel dipped in the water hanging out.
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