1 plant looks like she's trying to die (looks thirsty but not), help needed

Bugs? Sometimes they get aad whenthey want nutes, have you been feeding enough? Looks pretty sad tho. Maybe stop beating her?

 

Also whats your lights? Ive had trouble lately with my new qb fixture. Its so intense i can only turn it up to about halfway or my girls will get pretty sad

 

They look really thirsty and dried out to me. I feed mine about 1/2+ gallon a day. Try picking up to at least every other day. The feed rate picks up in flower and the powerful lights help evap more water from the pots along with raising temps.

What kind of light distance?

 

That's pretty much exactly what my plants look like if I skip a day of feeding.

 

I'm running three plants in my tent now and one of mine drinks twice as much water as the other two she might just be drinking more my friend

 

I would guess insects (mites, specifically) or perhaps even fusarium wilt or something like that.

Measure the moisture content and feed first. Start with the most simple and easily fixed possibilities and begin ruling those out one by one until you’re left with only one scenario. That’s most likely the one you’re dealing with.


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Is that 3 to 4 liters per plant every 3 days? Or in total?

To me it looks like the signs of simple over watering.

Yellowing leaves that look like nitrogen deficiency, fan leaves drooping and curling inwards.

Roots can drown.

 

Until you figure out the issue, I'd back the lights off to aid the recovery. Good luck.

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I also agree about the possible nitrogen deficiency. The droop is underwatering though to me. Have you considered adding a bottle supplement to your routine to add more nutrition for bloom?

 

Nitrogen deficiency and appearing under watered are indicative of over watering. When the roots are not getting oxygen, they will droop and curve inwards. I've seen this being done frequently and this pic is textbook lack of oxygen. This will also lead to anaerobic conditions if more water is added. I suggest doing a search on over watering cannabis and you'll find a slew of similar images.

 

Over watering and underwatering symptoms are similar enough to mistake for each other. I don't see any way that under those hot lights and only feeding/watering every 3 days he has overdone it. That's a long time between waterings in the summer time.

I can see the loose mix in his pots with lots of perlite. I'm the first person on here to generally point out lack of air to the roots but he's also in fabric pots. I find that scenario unlikely here. I tell people perlite and fabric so much they must get sick of it.

It's almost impossible to overwater when doing it every 3 days in a fabric pot with added perlite.

 

Not the best two examples to show the difference IMO. The bottom plant is overwatered hot and deficient. The top plant is a healthy plant that had a day of watering it needed skipped. If the plants were at similar health levels and then exposed to both underwatering and overwatering they might look a little more similar.

Overwatering produces a swelled look as well as the droop that his plants are lacking.

 

Quick example I was able to link. I could be wrong, but it's hard for me to imagine that this pot would require 3L of water at a time, let alone 4 or more. Looks like it should be good with 2 to 2.5L every 3rd day, depending on the light intensity of course.

But hey, it's a guessing game when looking at pictures and descriptions.

 

That is a lot but I've had plants that ate 1 gallon or more a day. I always daily feed except when circumstances prevent me from getting to them which is rare. When that happens they look like crap. Similar to the OP's plants.

I think one of the issues is he has a combination of deficiency and letting the plants dry out too much. That's making them look extra bad.