Runtz try three

Week three since flip ended yesterday.

One plant is yellowing in the center. All the other plants seem fine right now. I think this may be symptoms of under watering.
 

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Raised light to 24" above the highest tops then increased LUX to 63,800 at the tops.

May deploy netting this week. Will Gorilla tape corners of net to poles and improvise as required.
 
Over the last day tent RH hasn't dropped below 50%. The target is 48%.

Today I turned on a basement dehumidifier. RH is back within range: 48% - 50.4%.
 
There's so many hassles in this game.

At 10 after 8:00PM I notice the light isn't on. It's supposed to come on at 8. I go down there and can't get the light to turn on. So I spend almost an hour swapping the malfunctioning light for a good light. Once finished swapping I test the malfunctioning light and it turns right on so I swap the lights all back. Furious!

I can't trust any of this equipment - ever.

Do you experience these pitfalls?
 
There's so many hassles in this game.

At 10 after 8:00PM I notice the light isn't on. It's supposed to come on at 8. I go down there and can't get the light to turn on. So I spend almost an hour swapping the malfunctioning light for a good light. Once finished swapping I test the malfunctioning light and it turns right on so I swap the lights all back. Furious!

I can't trust any of this equipment - ever.

Do you experience these pitfalls?
Oh yeah...welcome to growing weed indoors...
 
I emailed the manufacturer explaining what happened. Wait and see.

The light was still on this morning. The plants are in dark period. I hope for the best.
 
I emailed the manufacturer explaining what happened. Wait and see.

The light was still on this morning. The plants are in dark period. I hope for the best.

Support indicated the dimmer is connected to an RJ port and that could be loose. This makes sense because the day before I changed intensity. Will check dongle later.
 
Today marks week 4 since flip, 4/15. No more light issues.

The middle of plant five looks like it's dying. I thought this was do to under watering but maybe not.

Now the center of plant 3 looks like it's dying.

Pic 1 is overall.

Pic 2 is of plant 5.

Pic 3 and 4 is of plant 3.
 

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This one is #6 and it's beginning to fade. I wonder if this is normal.

Anyway, #6 needed water so I gave it a gallon of solution including Flower Girl and added PK 12/14 and CalMag per instructions.

After the gallon I added another 1/2 gallon of plain water. There was runoff but the plant sucked it up!

Water/solution is pH'ed to 6.4.
 

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I wouldn't say that yellowing/browning you're seeing is normal at this time. They look pretty dark green other than the yellow/brown bits, so it definitely seems like they have enough food.

You could be right about underwatering...this is the point in their life where they drink the most, and not having enough water means they can't absorb nutrients properly...
 
The only thing I'm not doing 100% is a lights on/off temp swing. Temps in the tent remain consistent.

Everything else seems within parameters.
 
The only thing I'm not doing 100% is a lights on/off temp swing. Temps in the tent remain consistent.

Everything else seems within parameters.
I wouldn't worry about the lights on/off temp thing. Some people actually run a negative differential (warmer at night than during the day) to reduce stretch during early flower. So I don't think it would hurt to have a constant temp all the time.

Do you let them get really dry before watering? If that one took up a gallon of water in a 5-gallon pot, it must have been pretty dry...maybe try watering more frequently, but not quite as much at a time. With plants that big, in organic soil, you never want them to go totally dry, and some folks actually recommend watering a small amount every day to keep the moisture level as constant as possible.
 
I wouldn't worry about the lights on/off temp thing. Some people actually run a negative differential (warmer at night than during the day) to reduce stretch during early flower. So I don't think it would hurt to have a constant temp all the time.

Do you let them get really dry before watering? If that one took up a gallon of water in a 5-gallon pot, it must have been pretty dry...maybe try watering more frequently, but not quite as much at a time. With plants that big, in organic soil, you never want them to go totally dry, and some folks actually recommend watering a small amount every day to keep the moisture level as constant as possible.

OK.

The other thing I did recently is increase light intensity to 63,000 lux. But that was about a week ago and this problem doesn't look like light is the issue.
 
I watered two plants today, w/mosquito dunk water. The plants were heavier/wetter than typical.

One was slightly hydrophobic after adding 1/2 gallon of water and had about 1/8" of runoff. The other held the 1/2 gallon.

About 20 minutes later each got the other 1/2 gallon. Neither had any runoff.
 
Yesterday ended week five from 4/15.

The five large plants clearly show leaves dying from tips in while the smallest plant looks excellent.

A possibility is the larger plants were under watered and are now becoming root bound while the smallest is/was right watered/root sized. They're too far along to pluck from the pot and look at roots but no roots are growing out the bottoms of the pots.

They've all had at least one dosage of Dr. Earth, Flower Girl.

As you know once the damage is done, it's done.

Will deploy netting over the next day or two. Plants are getting wobbly.

I'm also thinking about lowering the light to increase LUX to 70K. LUX is around 64K at plant tops now. On the other hand maybe I shouldn't tamper with it.
 

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Yesterday ended week five from 4/15.

The five large plants clearly show leaves dying from tips in while the smallest plant looks excellent.

A possibility is the larger plants were under watered and are now becoming root bound while the smallest is/was right watered/root sized. They're too far along to pluck from the pot and look at roots but no roots are growing out the bottoms of the pots.

They've all had at least one dosage of Dr. Earth, Flower Girl.

As you know once the damage is done, it's done.

Will deploy netting over the next day or two. Plants are getting wobbly.

I'm also thinking about lowering the light to increase LUX to 70K. LUX is around 64K at plant tops now. On the other hand maybe I shouldn't tamper with it.
I've repotted mine that far into flower. Other than being a bit of a juggling act the plants didn't seem to notice.
 
I don't know I'm only speculating.

Maybe I'll pick-up the next up-gallon pot and attempt to transplant one. Then I'll know more.
Currently the best trained and vigorous plant on my flower table is the one the fan fell on. They are hard to kill, god knows I've tried every which way and they keep surviving.
 
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