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Root rot?

I guess what I am trying to say is there is just so much you can do. Some plants just get sick and can't be fixed. The roots are growing leave it alone and let it do its thing without interruption.
 
Allatup- no worries sir! It's possible there is still a light leak somewhere. My paper plates with foil are cupped. if you look underneath where they are cupped, you can see the top of the net pot. I try to flatten them out, but short of taping them down, they always pop back into a cupped position. This would be the only way light could still be getting in to my knowledge. While I don't have the rubber grommets for the airlines where they meet the tote, I did put reflective tape around them so no light could be getting in there.

Also, when I had switched to new totes, one thing I didn't do was clean the roots off, so it's possible whatever it is (pythium or brown slime) just got transferred into the new tote as well. I just woke up so I'm about to check on them now.
 
Burny I politely disagree. Go back to p. 2 and see what berrypilot rescued from root rot. If you have a problem with the grow, it's best to deal with it as soon as you identify it--even though it may be trial and error for a while to find the cause of the problem.

That is how I found my second light leak on my second grow. I thought I had resolved the issue when I covered the first light leak, but the problem persisted. So I finally got back down on my back on the floor, and looked up under the reservoir lid. I detected the second leak.

If mcubed saw some improvement, and then the dark brown came back, I believe that he has to continue to seek out the cause. He has made progress, and I don't see it as setting the plant back at all.

I don't think a cannabis plant ever "just gets sick"--although it's a pain in the butt to figure out what the problem is sometimes. But once we learn, we don't make the same mistake again, or we recognize really fast the cause of the problem.
 
Remember, just because people say "there are no women on the internet", it doesn't mean there are no women on the internet!
 
mcubed476 I am not a sir; I'm an old hippie chick. Aloner makes an inscrutable comment which is correct.

Now I use both the neoprene net pot covers AND the rockwool white covers over those (the neoprene pot covers are black, and the rockwool covers are white so the light is reflected back up). Yeah, and I use electric tape cuz I ain't got no reflective tape.

You have to get down and look up for underneath. Third time I done said that.
 
I just think it is more efficient to just start over sometimes. In the amount of time you will spend trying to correct the problem and end up with a stunted plant. You could start over and have a bigger plant that hasn't been stunted. If you have that option. If you don't yes I would try to correct the problem and I have but knowing what I know now if possible I would start over. I know this is harsh and hard to do for a new grower but sometimes it is the best thing to do as far as yields are concerned.
 
Allatup, I humbly apologize. I meant no offense, it was rude of me to assume. I really do appreciate all the help you have given me! What you said about checking under the lid just clicked. You meant lift the lid up to the light and look from underneath. I guess you did have to tell me 3 times for me to get it, but I will definitely do that when I get home! Thank you again for all the help!

I cleaned out the rez today with bleach, thoroughly washed it out after, and let my plants soak in a h2o2 water solution while I was cleaning. I got new air stones and black tubing for this one. I will be cleaning the old airstones and using them to make the tea that I have read about.

Your light leak requests did not fall on deaf ears this time allatup! Like I said, I will check as soon as I get home!
 
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This was the rez when I finally popped her open. It's all cleaned out with fresh nute water, and I have some light leaks to check when I get home!
 

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Definitely! And I'm willing to bet you are absolutely right allatup, I bet there is a light leak coming from the lid. Can't wait to get home to check it out! Only 6 and a half more hours to go!
 
Allatup,

So I get out if work and take a look down in the room. I did exactly what you said, and you'll never believe what I saw....

Light

Okay, maybe you totally believe it because that's what you have been trying to tell me to do this whole time lol.

I'm not sure if 9 hours was a long enough of a light leak to allow it to start the brown algae up again, but I'll see in a couple days. It was coming through the net pots holes. One of the net pots was only half full of hydroton so a bunch of light was coming through there. Also around the edges, so I taped down my paper plates so now all should be completely light proof!

I cannot thank you enough for all the advice!

In the meantime, I'm going to brew the tea I was talking about. It seems like a good way to prevent this from happening again.

I'll keep you updated!
 
Mcubed, I AM SO HAPPY!!! I was exactly the same way as you, and I thought about that after I yelled at you ;-} to get down on the floor and look up. It took me forever to do that, it was like I didn't want to believe that there were more light leaks cuz in my case, I doled out a lot of $ for the grow box and I wanted it to be perfect. I finally reached my wit's end: my temps were good, my preventatives were there, but wtf??? I had to do the same kind of tweaking you're doing right now, to get rid of light leaks. Then the problem stopped. I think I'm gonna suggest to Nebula that she put a little more emphasis on the light leak issue in DWC tubs, boxes, closets, etc etc etc.

This is so awesome, you've solved this problem and you won't have to deal with it again because now you KNOW. This is how we help each other on this forum: I know you'll pay this forward with others cuz you'll KNOW!!! ;-}
 
Burny To continue our earlier discussion: If you read through to the end of this Topic, you'll see that it is looking like Mcubed has found the root, so to speak, of the problem.

So I must say that I think that you will sell yourself as well as your cannabis plants short with that attitude of "let it grow or die." The way I see it, old hippie chick that I am, these sacred medicinal plants are entrusted to us so that we can grow magnificent forms of medicine for ourselves and our friends or clients. I really see this as a kind of sacred trust.

Mcubed is trying to save his plant and get it through to the other side, where vigorous growth takes place, and you know the plant is healthy. You have solved the problem, and you'll be able to share that knowledge with others. "Pay it forward."

You concluded that all these procedures were setting the plant back instead of resolving the problem so that the roots and consequently the plant will grow vigorously. So I say again: don't give up on yourself OR the plant unless there's really no alternative. But in a case like mcubed is going thru, FIND THE SOLUTION TO THE PROBLEM. We have to be good problem solvers to grow good weed/medicine.
 
🌱 It's true that sometimes the most efficient thing to do can be to start over, but that doesn't necessarily mean this is a case like that, or that it's the right thing for a particular grower to do in their situation. It's kind of mean to say, "Leave it alone and let it grow or die" because that sounds a lot like, "There's nothing you can do" when there definitely is still a good chance the plant can come back if you fix the root of the problem. As alltatup said, there are examples earlier in the thread of growers doing just that so it's not impossible.

Some growers don't have infinite money for seeds, and want to figure out how to make things work, instead of just starting over any time there is a problem and going through lots and lots of seeds in the process. Plus, you'll never learn how to permanently fix and prevent the same problem from happening again if you just ignore it and hope it doesn't come back. 🌱
 
The only thing I did when the root rot came back was getting the new totes, cleaning them out with h2o
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🌱 I've noticed that young plants seem really sensitive to you moving their roots. Reservoir changes, changing to a new tote, or even just pulling the net pot up a few inches to peak inside will move the roots, and sometimes that's all it takes to trigger problems for me with sensitive plants. It sounds like you may have found the true cause of the problem (damn that light!), but I just recommend trying to leave the roots untouched in the reservoir as best you can while they're recovering :) I know when I first started growing DWC, I was taking the plants in and out of the system all the time, taking pictures of the roots, scrubbing the inside of the reservoir if it felt even a little slimy, etc, and I feel like often that extra moving seemed to stress the seedlings more than it helped. Once they're a month old with huge white solid roots, it seems like you can move them quite a bit and they don't care. 🌱
 
If you don't understand the part about it is better to start over you will someday when you have more experience. I never said it wasn't impossible it is just usually not the best thing to do.
 
Pilot your so right. I Didn't do a res change for the first 2 weeks. When I did clean the res I didn't touch the roots let them sit in the water. I worked with corals and sea life and saw the oils in skin do all kinds of weirdness to living things. It kills coral. I watch the leaves and let the roots do there thing. For me air circulation in the res was my biggest problem , airstones not working or leaking. Lots of good bubbles is what you want. Keep the faith.
 
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