ComfortablyNumb said:

I'm sure you never expected such a response to your question.
I'm very glad your plant/s are coming back.

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Oldchucky said:

I was shocked! I would’ve bet money that she crashed and burned! LolA pleasant surprise.

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Aqua Man said:

So I didn't see a post on what the OP did that they responding positively to? Underwatering I'm assuming?

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Oldchucky said:

I think that was out of like, 10 plants. But at least she turned a few around. I wonder what happened to the 9 foot behemoth. I don’t really know what she did. Probably watering.

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BorealCuring said:

Your plants are like kids in Ethiopia. No food. No water.

Keep in mind that 99% of the water absorbed by roots is lost via transpiration of the leaves. With plants in those pots, you should be having trouble keeping humidity down. 43% is nothing. The "bark" is coming off because you're plants (roots) can take up water, but the soil is moist and rotting them. The rotting outer layer of the stalks is vitally important to uptake water and nutrients. You're plants are dying a slow painful death and nothing will save them.

But you can *maybe save a few clones and start over in small pot, then transplant once they get big enough. If you do take clones, don't snip the tips of the leaves like everyone does.

To clone,
- Just use Solo cups with seed starter. Put the cup on a saucer.
- Cut the drain holes in the bottom and add one cup of water.
- Cut your clone, scrape the outside off the bottom of the stem for 1 inch.
- Dip in water, then dip in rooting hormone
- *don't dig a hole in your seed starter. Just stick the stem in the soil 3 inches deep.
- 1/2 cup of water 3 days later.
- You'll have roots 7-10 days later and ready to be planted in a 1 gallon pot.

I water/feed every 3 days. This schedule permits you to be absent for up to 2 days.
I water/feed to this schedule. W D D F D D <start over> where:
W= water.
D = dry.
F = feed.

- Fertilizer -
Seedlings get - Small N, High P, Low K
Veg phase get - High N, Med P, Med K
Flower phase get - Low N, Med P, High K


You can do away with all of that by making a super soil that won't require feeding. Just water start to finish.

Easy Supersoil
https://borealcuring.com/growing_tools/super_soil.php

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PauliBhoy said:

@Lacey
Your fertilizer is mostly organics which means you need soil biota to convert the organic nitrogen to plant available nitrates. Biochar is a good place to start but there are other options like Fish Sh!t.

Your fertilizer also has way too much P which is detrimental to beneficial soil fungi, allowing bad fungi to thrive.
Based on your photos I'm 99% sure they have Rhizoctonia, a very bad fungus. Destroy the soil and sterilize the containers before using them again.

You may actually be overwatering a bit as well, which also can lead to root rot issues.

Do you allow temps to drop when lights are off or does it really stay 77-80F all the time?

Rainwater is fine for hot soil in veg. Most rainwater is pH 5.5-6.0. But make sure you know what pH your water is after mixing your nutrients.

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