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How's the grow room airflow?

What's the RH & how's the airflow?

Looks like mag deficiency to me too

I've experienced this. If you can get some airflow into the dome without drying it out, plants love cO2

that white stuff looks like powdery mildew humidity dome... do you have a flan blowing into the tiny crack?

Agreed. Thnx!

day 50 veg i read that light stress during flower can cause plant stress that can appear as nute deficiency. i moved the light up from 24 to 28 inches since there's some signs of cal/mag deficiency even though i'm using calmag. also some light bleaching, oops! she's only 9 inches tall, super...

With a higher RH, optimal air flow is a must to avoid mold Like Aqua mentioned, make sure you don't get sudden spikes in your RH. Temp & RH, especially between lights on/off transitions From what I've read PM happens from huge swings from not monitoring/managing RH

Vpd is Leaf transpiration. Can't remember the acronym meaning

Tobacco mosaic virus

Looks healthy to me!

day 48 veg the plant leaves are a little lime green the plant was drooping a lil before i watered her, been doing it every 4 days or so lately with some runoff. i'm 50% perlite so maybe i'm underwatering? she seems to dry out the first few inches in a few days but i can feel humidity past 2...

Maybe not enough airflow

Law: my opinion is the law. Therefore the earth is flat

if the earth wasn't flat, water would just fall off the earth. physics is more conspiracy than science if you ask me

pics taken for a while of lights on. with the new exhaust & way for me to graph the RH & temp, i'll be able to set a schedule on my thermostat. 10 degree F difference from night & day, right? daytime hotter

the chart shows the difference in RH & temp

yeah. grow room had some large temp & humidity fluctations. wont be the norm tried using COBS but it was too much light i still have the VPD algorithim & am using it. how is she looking from an even canopy standpoint?

day 45 veg how's she looking from an even cannopy standpoint? i'm not afraid of trying supercropping if LST won't work. the top 2 cola ends are growing consistently... updates: got the airflow upgraded now have a 6" & 8" passive intake, 8" carbon filter & 8" exhaust. huge difference in the...

It's an auto The leaf shows signs of cal & mag deficiencies. Although you're using calmag, how much are you feeding currently? You may need to use a calmag foliar spray to help get those nutes into the leaves.