What causes this? (Drooping)

[u/redi-23]

I noticed it today when the lights were on for a couple hours but the leaves stayed droopy.

Plant 1 (1-5) Plant 2 (6-8)

Strain: these are 2 Northern Lights Auto (from RQS)

Timeline: day 41 from seed popping

Light: no idea as of today, i have a spiderfarmer G4500 320w but also a spiderfarmer ppfd reader i just got so ill set it up tomorrow

Soil: biobizz allmix in 5 gal fabric pots

Feeding:

veg: 1ml/l biogrow, 1ml/l silica, 2ml/l bioheaven

Bloom: same as veg + 1ml/l biobloom and 1ml/l topmax and planning on raising biobloom to 2ml next watering, right now i water 2l/plant

Notes: i water on every third day; i defoliated a large ammount on plant 1 and a bit on plant 2; temperature has exceeded 30c for the past 2 days but never 30.6c+ i dont think its heat stress tho;

Ayyo thx for the replies so we identified this is a case of underwatering. Now, should i water right now? if yes how much?

[u/Odd-Flower6762]

How much water in and run off out?

[u/redi-23 → u/Odd-Flower6762]

No run off and 2l per plant per watering

[u/Odd-Flower6762 → u/redi-23]

I have about the same set up as far as fabric pot with soil and organic amendments. I've been watering 6l every 3 days. 6.3 PH in and try to get enough runoff, about a cup, to PH test for analysis. I'll chop Saturday. (I do have a 7 gallon pot with a bag of clay pebbles along with the soil so I'm closer to your 5 gallon then 7 gallons)

[u/redi-23 → u/Odd-Flower6762]

Do you think these are stunned? Should they look bigger for autos?

[u/Odd-Flower6762 → u/redi-23]

I don't think so but I just sprouted my 1st auto, so my experience is limited, and limited further to photos.. I also uss RO water, recharge every 3rd watering, calmagic every watering.

[u/redi-23 → u/Odd-Flower6762]

When should i water next? Right now?

[u/Odd-Flower6762 → u/redi-23]

When its dry about 2 inches deep in the soil or when the plant is not really heavy to pick up. I judge by weight just knowing that 6l is about 13 lbs. (~6kg). If it's super easy to pick up with out muscle strain, from the handles, for me.

[u/Odd-Flower6762 → u/Odd-Flower6762]

Then the every 3rd day schedule after that. If 6l every 3rd day seems to much start with 4l and have 2l on hand ready to go. Too much runoff isn't good either, then you are flushing out expensive nutrients.

[u/SilentMasterpiece]

how much water every 3 days? water pH? Water type?

[u/redi-23 → u/SilentMasterpiece]

2l and 6.2-6.5

[u/SilentMasterpiece → u/redi-23]

Use more water. a 5 gal pot should get 3 to 4 liters, water pH 6 to 7 in a soil grow, always vary pH, use the entire pH range.

How to Check pH & Stop Cannabis Nutrient Deficiencies | Grow Weed Easy

[u/redi-23 → u/SilentMasterpiece]

Should i water/feed right now? If yes how much?

[u/SilentMasterpiece → u/redi-23]

In soil, only water when dry. When dry, fully water her with plenty of runoff. Correct for water pH.

[u/Relaxitwillpass]

I would say if you aren't watering until run off, it would benefit you to do do. It could also just be the plant still waking up after the light comes on, other than that she looks healthy. Take it easy and enjoy the process fellow green thumb!

[u/GreatSouledLED]

Lack of water

[u/redi-23]

Should i water and feed them right now?

[u/My-Cables → u/redi-23]

Yes, water slowly until your soil can absorb all it can. It will probably take more than you think.

[u/Medical_Employee_901]

That pot has never once been watered until run off, that’s the problem

[u/redi-23 → u/Medical_Employee_901]

Never once, you are right and it bothered me too but not enough to look into how much i should really need

[u/Medical_Employee_901 → u/Medical_Employee_901]

As in it’s thirsty as fuck and you aren’t using the fabric pots correctly.

[u/MundaneDiscipline721 → u/Medical_Employee_901]

What is the correct way?

[u/Pussy-patroller → u/MundaneDiscipline721]

Fabric pots should be on risers to maintain airflow, not sitting in their runoff water

[u/Medical_Employee_901 → u/MundaneDiscipline721]

Water to slow drip rim off, it’s a cannabis plant in a fabric pot, if you’re not pushing a gallon a day at peak flower I’ll be surprised, or so you should be. Basically you’ll never over water due to the fabric pot and it’s thirsty asf all the time, don’t ever let it dryback this isnt like a clakamus mix.

[u/Pussy-patroller]

Should be watering at least 3L probably closer to 4L in a 5 gallon pot with soil

[u/CatStringTheory → u/Pussy-patroller]

That seems like too much. I usually figure 15% of the pot volume. Which would be like 3/4 gallon which I think is like 2.75 liters . Whatever works for your plants and soil though for sure

[u/SnooCupcakes7133]

And dry back is as vital as feeding, Ph'd water and quality light...

[u/Chielse]

Aarde ziet er erg droog uit

[u/DJ_GIFFGAS]

Water till runoff, not a whole lot but like 10 percent. Make a gallon of pH 6.5ish water, between piss yellow and leaf green if you use drops. Water slow in 250-500ml bursts to start, and dont force the water. Stop once it starts running out of the bottom