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what is the ppm of your tap water? RO is tap water that has gone through a reverse osmosis purification system

https://www.questclimate.com/vapor-pressure-deficit-indoor-growing-part-3-different-stages-vpd/ Paste the formula (towards the end of the article) into excel & plug in your grow environment variables to calculate your plant's transpiration. I think it's supposed to be between .4-1.2 with .8...

86-89.6F is really hot. You'll need to up the humidity & if possible keep it from going past 30c

One can distinguish trolls by their passive aggressiveness vague advice :roll:

What are leaf temps? How's the air flow in your grow space? What's your relative humidity?

What's the RH & room temp w/ lights on? Air circulation?

Try a hung towel and water container for the towel to soak water from

Then, standing water with as much exposed surface area as possible is what I would try to elevate humidity

like you said ppm is a lil high. i think you have the right idea about humidity & temp. it's too bad you can't buy a room humidifier

Looks like calcium deficiency to me too

i'm using Phlizon CREE COB Series 2000W LED 450 wall pull i read from one blogger that it's equal to an 800w light with the 4 50watt cobs on

RO water, the ppm is reading 345... maybe i should dilute it? do you grow in coco? i think i read you grow hydro which is similar (i'm growing in coco.) can i lst instead of topping? i want to try this grow without topping, if that's feasible. per the VPD calc & the guide stating .8 is the...

Day 27 that calculator was literally copy & paste into excel & enter in my variables. easy! this is exactly what i was talking about to Mr., "Your impression is wrong." thnx! @Aqua Man another tool for this newbie grower's tool belt. I started LSTing 3 days ago, my goal is to gradually LST...

I didn't but I will heed your advice and put the formula together asap

Gotcha. Adjusted my RH. Per the article I want 57% RH at 75f. I found a spot where the humidifier's humidity sensor can be utilized. Getting 52-62%% RH on my exhaust fan's humidity sensor lights on. 57-64% lights off. I'll need to keep playing with sensor position. Moved light higher, read...

Nice, dude!! I figured out what I'll do with the huey I have. 1/3 str setting before going to bed, 2/3 setting in the morning. I already have to refill the reservoir twice daily anyway. Appreciate the humidity tips!

how's the plant's drainage?

Whaaaat?! Auto restart is a humidifier feature?!

i tried a similar chinese humidity controller. unfortunately my experience was that the controller was ineffective because it only cuts off the power to the outlet. when the humidity is low enough, the controller resumes power to the AC outlet but my humidifier has to be manually powered back...

Unfortunately the timer is for turning off only. A 24h outlet timer won't work for the humidifier either. I'll check humidity with lights off though. Thanks for all the love & support brotha!