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gardennoob
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What is causing this to happen?
Edinburgh
- 2,692
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Either your over feeding or your light is to close, if your feeding flush out your plant, give it a few days to recover then feed less, your leaves should be pointing up to the light not shying away from it, I use 600w led and 2 ft is about right
FerrinTM
- 9
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Could be a couple of different things, if you're using Coco Coir I'd guess nute lock from having ph offbalance. If you're in soil it's a little harder to mess the ph up that bad. When you make up your solution next ph it to 5.8.
If the PH is off doesn't matter how much nutrient you put in, the plant won't uptake it.
If it's not PH, could be light burn. Hold your hand over the top of the plant. If your hand starts to burn, your light is to close.
It could also be a salt buildup in the medium. You can flush the salts out by making sure your pot or whatever can drain, and just continuously adding water til it's all flushed out. then let the medium drain out and not sit in the drain water. As it will soak it back up if you let it set in the drainage.
If the PH is off doesn't matter how much nutrient you put in, the plant won't uptake it.
If it's not PH, could be light burn. Hold your hand over the top of the plant. If your hand starts to burn, your light is to close.
It could also be a salt buildup in the medium. You can flush the salts out by making sure your pot or whatever can drain, and just continuously adding water til it's all flushed out. then let the medium drain out and not sit in the drain water. As it will soak it back up if you let it set in the drainage.
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gardennoob
- 9
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Lights are 2 450w LED and are hung 24” above canopy. I am going to put in the bath tub and flush the soil today hoping it is a nutrient lock out or a salt build up. I have been PHing my water to 6.8 and had flushed the soil previously as the run off was acidic (caught it in time) it is a Fox Farm soil. I think I will be trying a live soil next grow hoping to avoid nutrient issues.
Thanks for the tips guys!
Thanks for the tips guys!
Aqua Man
- 26,480
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Way to much food, too much light. How come your plants are all wet? Are you foliar spraying?
Nute burn and you will probably see a lockout shortly
Nute burn and you will probably see a lockout shortly
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gardennoob
- 9
- 3
Plant is wet because the picture is directly after a watering, lights are at 24” and I haven’t given them any food, just in FFOF soil.
Beachwalker
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- 313
I use ffof all the time and without issues like that, so its not the soil. What is the ph and PPM of your tap water? Correct your flush water to 6.5 and let it dry out, and then begin pH'ing your water to 6.5 for best results, good luck
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Aqua Man
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That soil must be hot because they have nute burn 100%. 24" height on the light is probably not enough judging from looking at hose plants. Just my opinion
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gardennoob
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Is my best best to flush my soil and raise my lights?
Aqua Man
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I would raise the lights definitely.
As for the soil I don't feel comfortable giving advice on as I'm a hydro griwer. I can only give you advice on what I see in the plants symptoms which are the same in either.
Best ask a soil guy how best to correct it.
Kingjoshh
- 392
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A flush could help but I don’t know if flushing would help bagged soil. Worth a try if your desperate. Maybe next time try a mix of coco and something else. I’ve never heard of people having issues in coco
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gardennoob
- 9
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Update: Light is hanging around 34” from canopy and soil have been thoroughly flushed. Plant is very sick
Beachwalker
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G
gardennoob
- 9
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Should I pick the dead from the plant? Or will it just start eating other growth if removed
Yes sir I have a good meter and I calibrated in acidic and alkaline fluids weekly
Beachwalker
- 7,055
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So to eliminate hard water have you checked the ph and PPM from your tap ?
Aqua Man
- 26,480
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Dude it's been a day or 2 max. The damaged leaves will not get better.
Only pay attention to new growth it will take time for her to recover. She was burnt pretty good. Don't go changing and adding a buncha stuff you will only make it worse imo
Don't give any feed only water for now and don't over water.
You don't really need to ph in soil as it controls the ph anyways. Unless your soil mix is out to start with in which you will be fighting it the entire grow. Coco and hydro are a must for ph but it doesn't really hurt to do so.
Patients....
Only pay attention to new growth it will take time for her to recover. She was burnt pretty good. Don't go changing and adding a buncha stuff you will only make it worse imo
Don't give any feed only water for now and don't over water.
You don't really need to ph in soil as it controls the ph anyways. Unless your soil mix is out to start with in which you will be fighting it the entire grow. Coco and hydro are a must for ph but it doesn't really hurt to do so.
Patients....
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gardennoob
- 9
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I haven’t tested PPM but am running my water through Brita filter which will soften hard water and remove minerals
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gardennoob
- 9
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On the good note it is producing new fresh growth I was just wondering if the burnt and dead should be picked
Aqua Man
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There is probably some root damage looking at the plant. The plant will likely stunt a week maybe more.
Aqua Man
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If they are completely dead you can pull en but avoid stressing her more. They will fall off on there own. Give a small Tig and if they come great if not leave en a few days. Once she recovers you can pluck even the ones with damage if you like
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