Drooping for days help!

[Millo]

Hi.
Plant is drooping for days and I have no clue why.
I'll try to include as many details as I can.
Blue Cheese auto from RQS.
Germinated on 10/03 so she's 4 weeks old.
She's been growing for 3 weeks in a cheap greenhouse inside my room because my 2.3"x2.3" tent was full.

She was under an HLG 100 V2 3000K at 18" height. 16/8. She was always fine in the greenhouse, never drooping.

On the 4th week I moved her in the tent and that's when she started drooping. She's now under the SF-1000. The HLG is also in the tent but I have my other auto under it.



I thought it was the light so I moved the lights up to 30". That didn't help. So I assumed she was thirsty due to the low RH and high temps these days. So I started giving more water. That didn't help either. ( It worked for the other auto that was in the same exact situation ).

Nutes are BioBizz: 2ml/L Root ( till the 3rd week ), 0.5ml/L Grow ( 0.1 last week ), Alg-A-Mic 0.1/L. Nutes every other watering. Always watered when top 1st inch of soil is bone dry.

Soil is BioBizz All-Mix.

Please help me figure this out

 

[Dank Bongula]

Looks over watered. Just checking the top inch is not a very good practice in and of itself. The soil will naturally dry out here faster...I go atleast two inches and also confirm the weight of the pot is light vs how it feels after watering. If it is light, and the top two inches are dry, then I will water.

Just out of curiosity, do you know your pH going in?

I can't say anything about your nutes because I know nothing about them specifically and I would not base your plants response or lack thereof in comparison to a similar plant right next to it. Some plants just uptake more or less water/nutes than others.

 

[Rurumo]

If this started happening after you added it to the tent, under the 2 lights, you can rest assured that is likely the cause. I think this is another simple case of light saturation due to the added light from an additional fixture plus the reflected light from the walls. Do your plants stand up straight first thing in the morning, shortly after "light's on?" Or are they slumped down 24/7? It could be overwatering, but light saturation can look the same.

 

[Millo]

Looks over watered. Just checking the top inch is not a very good practice in and of itself. The soil will naturally dry out here faster...I go atleast two inches and also confirm the weight of the pot is light vs how it feels after watering. If it is light, and the top two inches are dry, then I will water.

Just out of curiosity, do you know your pH going in?

I can't say anything about your nutes because I know nothing about them specifically and I would not base your plants response or lack thereof in comparison to a similar plant right next to it. Some plants just uptake more or less water/nutes than others.

I don't think she's overwatered, it's more likely that I forget watering them rather than watering them too often

I forgot watering her for 2 days, she was still drooping, soill dry af. Also she was doing well the other weeks with the same water schedule.

I never check PH. I'm using organic soil with organic nutes, I guess that's good enough for a buffer.

Like you said, compared to the other plant, could be that this one just gets stressed more easily.

 

[Dank Bongula]

How big are those pots?

 

[Millo]

If this started happening after you added it to the tent, under the 2 lights, you can rest assured that is likely the cause. I think this is another simple case of light saturation due to the added light from an additional fixture plus the reflected light from the walls. Do your plants stand up straight first thing in the morning, shortly after "light's on?" Or are they slumped down 24/7? It could be overwatering, but light saturation can look the same.

That was my first guess as well... Could just be that the other one is just stronger.
The other auto I find her straight in the morning. In fact she recovered, she's always straight.
This one I find drooping. In the morning till the evening.

What do you recommend for the lights? Should I dim it to about 30% and see if she gets better? Eventually slowly ramping it back up?

I also have a doubt, that maybe the other one recovered because she is under the same spectrum as before 3000K ( same light ).
While this one may be struggling because she is now under SF-1000, a mix of 3000K+5000K+deep reds+IR.

 

[Millo]

How big are those pots?

5 gal fabric. Started them off in bio paper solo cups, and transplanted them in those final pots when the roots were poking out of the cups

 

[Dank Bongula]

5 gal fabric. Started them off in bio paper solo cups, and transplanted them in those final pots when the roots were poking out of the cups

I have low humidity and high temps as well. I'm in 2gal pots and my plants are in week 3 of flower and I water them every three days exactly right now when their pots get light and lower leaves just start to droop a little.

Your plant is 4 weeks old and you said you skipped watering for 2 days and you are in 5 gal pots...I would think you would be going closer to 5 days for that media to dry out in that large of a container with a much smaller plant, but then I don't know if you are saturating the entire media or not.

Good luck...I'm at a loss then but will watch this to see how it goes.

 

[Millo]

I have low humidity and high temps as well. I'm in 2gal pots and my plants are in week 3 of flower and I water them every three days exactly right now when their pots get light and lower leaves just start to droop a little.

Your plant is 4 weeks old and you said you skipped watering for 2 days and you are in 5 gal pots...I would think you would be going closer to 5 days for that media to dry out in that large of a container with a much smaller plant, but then I don't know if you are saturating the entire media or not.

Good luck...I'm at a loss then but will watch this to see how it goes.

I don't water till runoff. Been giving her from 500ml to 1L. Could it be underwatering then? But idk, the other plant is healthy with the same amount of water. Thanks anyways for your input! Always apreciated. I hope I'll be able to fix the issue lol...

 

[Dank Bongula]

I don't water till runoff. Been giving her from 500ml to 1L. Could it be underwatering then? But idk, the other plant is healthy with the same amount of water. Thanks anyways for your input! Always apreciated. I hope I'll be able to fix the issue lol...

I don't think you are watering enough for good root development for that large pot and your root mass is staying wet with that little amount (in comparison to the pot) constantly put on it.

If that were my plant, I would let it dry out over the next 3-4days, then soak the entire media and not touch it for 5 days at least.

I use organic dry amendments in happy frog soil...haha can't bring myself to water without checking pH...maybe on the next run in the other tent

 

[Highlife42]

Do you know how much you are watering? Where is your humidifier? @4 weeks old in a 5gal. you should be close to 3/4gallon of H20 to saturate the medium.

"Organic" grow in a 5gallon.. You still should PH your water unless you have billions of microbes alive in there.

 

[Millo]

haha can't bring myself to water without checking pH...maybe on the next run in the other tent

You still should PH your water unless you have billions of microbes alive in there.

I don't have a pH meter but I've looked online on my city's website and the analysis shows a pH of 7.

I'll try and do as you say, let her dry out and then saturate the whole medium.

I will dim the SF to 10% and see if that helps also.

 

[Dank Bongula]

I don't have a pH meter but I've looked online on my city's website and the analysis shows a pH of 7.

I'll try and do as you say, let her dry out and then saturate the whole medium.

I will dim the SF to 10% and see if that helps also.

My city water is like low 8pH, I have no choice....7 though, I would probably let that go. My seedlings at 60% and 20in stretched like crazy under that same sf1000. I started them at 20% and quickly had to bring that up...they just kicked off week 4 and I have it at 100 @ 20in. I can attach pics but they are getting mainlined and don't have much to them right now haha

I wouldn't make too many changes trying to figure this out. If you think it is the light, then just change that and nothing else and see how it responds. If you change the lighting and nothing happens, then go to the watering schedule, or vice versa.

You're growing autos so you wanna get it figured out asap as you don't have time to make multiple changes and have time to recover.

 

[Highlife42]

I don't have a pH meter but I've looked online on my city's website and the analysis shows a pH of 7.

I'll try and do as you say, let her dry out and then saturate the whole medium.

I will dim the SF to 10% and see if that helps also.

I gotchya. Ok. Np dude. SF1000- Is it only 100w output from the wall?

 

[Millo]

I gotchya. Ok. Np dude. SF1000- Is it only 100w output from the wall?

Yes, 100w. The HLG is also 100w but non-dimmable.

 

[Highlife42]

Yes, 100w. The HLG is also 100w but non-dimmable.

Oh. Theres 50% of your issue i think. Light should be ~16" full power @ only 100w

 

[Millo]

I wouldn't make too many changes trying to figure this out. If you think it is the light, then just change that and nothing else and see how it responds. If you change the lighting and nothing happens, then go to the watering schedule, or vice versa.

You're growing autos so you wanna get it figured out asap as you don't have time to make multiple changes and have time to recover.

Wise words my friend

My seedlings at 60% and 20in stretched like crazy under that same sf1000. I started them at 20% and quickly had to bring that up...they just kicked off week 4 and I have it at 100 @ 20in

Hmm that's odd. I started my last run with only the sf 1000 at 20% 24" and they liked it. In fact I kept the 24" mark stable throughout time and only increased the light slowly from 20% to 100%. Maybe the stretching is gene-related? I had troubles with stretching in the past but I learned to solve it with this light

 

[Dank Bongula]

Wise words my friend



Hmm that's odd. I started my last run with only the sf 1000 at 20% 24" and they liked it. In fact I kept the 24" mark stable throughout time and only increased the light slowly from 20% to 100%. Maybe the stretching is gene-related? I had troubles with stretching in the past but I learned to solve it with this light

It's totally possible! I have 3 blueberry photos under it and they can't get enough of it. Mine seems to put out some real damn heat in comparison to my ts1000 though. Could be a quality control thing or most likely plant-type related.

 

[Highlife42]

Stretching is not gene related. If stretching is observed- light is too far away and other parameters are not met. Trying to help is all

 

[Millo]

It's totally possible! I have 3 blueberry photos under it and they can't get enough of it. Mine seems to put out some real damn heat in comparison to my ts1000 though. Could be a quality control thing or most likely plant-type related.

That's interesting. I don't own the ts1000 ( which is 150w if I'm not wrong? ). But my HLG 100 does get hotter compared to the sf 1000. Both 100w, but the HLG uses a different driver and lm301h so idk if maybe that's the reason