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Seems dryish. I'm running 5g bags, and even at 4 or 5th week of veg I'm dumping 2g of water/feed into each bag and doing it about 2x a week.

Meaningless unless you post the size of the containers and the medium you're growing in.

Everything is 'yellowing' under those lighting conditions. ;)

There are a few ways to look at this...Sounds like your ventilation system is CRANKING, so you'd definitely be pulling a ton of junk through any filtering you have set up, and also creating quite a suction in the room, but is probably also making you add a ton of humidity to keep things on point...

I play a little game of measuring at the tips of the tallest tops then at the 'plain' where most of the rest of the tops are and adjusting so that the tops don't get blasted but the rest of the uppers get the most effective light as well. Takes some futzing, but I can get both zones in the green...

Love this chart from the Photone people...but the reality is that most users will need either a light-meter app or a light meter to figure out their DLI to get the most from it. I used Photone on my iPhone Xs Max and it proved to be fairly accurate, though I know it's not on some other phones. I...

My tent exhausts out a small basement level window. I have a humidifier in the tent, then dehumidifiers in the room outside. No problems. I run two fans for the ventilation system, I have an intake fan that sits outside the tent and brings air in from the 'lung room' the ducting that is attached...

Try something with a little less of a 'nutrient charge' for starting in the future and see if that helps you.

Maybe you could be a highwayman or something instead.

Yeah, not only is 12 plants a whole ton...but the grow complexity and care multiplies out with that too. I'd start a run with something like 4 or 6 then upscale from there. That would also allow for some modularity. Doing 2 tents, so you can either do parallel grows or have rotating grows, have...

What are you growing in?

I have a small setup, but reasonably decent mid to upper tier consumer grade things (HLG lights, AC Infinity controllers, fans, etc., Inkbird, bluelab and all). Probably have about 4-5 grand total up front in the first year. Since then I have not spent much per year beyond water filter...

These numbers work for me too, though I try to keep my low in the 74-76 range and the highs in the 83-86 range. I don't stress if they go up to the low 90's but that's rare unless I'm growing in the middle of summer, and I don't really do that anymore. Humidity I pin to VPD and try to keep it in...

I see environmental issues, I see nitrogen toxicity and tip burn from too much feeding at the very least.

Just had to do this myself. Had a seed that I thought was a photoperiod and it ended up being a surprise Auto. Let it do it's thing and when my other tent-occupant was ready to go to 12/12, I did. No problems and the Auto finished just fine. OP, I'd opt to 'top' that plant down a bit and if...

My readings for nutrients per gram, per gallon of water are: Epsom salts: 70ppm; .14EC Ca/Mg (GH): 30ppm; .06EC (per ml) Maxi: 110ppm; .22EC So you can calculate from there what the readings end up looking like if you want. Epsom salts are an easy application for magnesium. I use it because...

I don't feed at all germination week (I don't do any of that 'paper towel' stuff, just seed into moist Promix. After that first week, I start with mild feeding and ramp it up. -For me that's: Week 1: 1g of GH Maxigro Week 2: 2g (1g Gro/1g MaxiBloom) Week 3: 3g (1g Gro/2g Bloom) Week 4: 4g: (1g...

They will want a temperate climate. Beyond wanting to keep them warmish none of them love a 'cold' climate (though your definition of cold may depend on where you live), you also need to contend with the amount of daylight. When plants are in their vegetative phase, they want longer days of...

My well water is in that 230-270 range. But in my case it causes me more problems when I use it that way. I'm not convinced that the mineral content is in a makeup or a form that the plants can access. and it tends to cause other deficiencies and lock outs easily. I've had way more personal...

Fun little ad-hoc setup. You'll probably do best with 24hr lights on since that light is lower wattage and Autos don't need 12/12 for flowering...that way you're making up for some of low-output by providing twice as much time for light to do it's work. I honestly don't think you're going to see...