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Unusual new growth and clawing. Possible toxicity or def.

BigDickBazuso
BigDickBazusostarted grow question 4 years ago
Anyone know what this could be? I'm guessing N excess but I'm not sure.
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Week 5
Leaves. Curl down
Leaves. Twisted
Plant. Stem - Red or purple
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Organoman
Organomananswered grow question 4 years ago
This answer is so simple - 24 hours of light is the problem!!! 24 hour light is such a BAD IDEA that anyone who recommends it, needs a good talking to. With cannabis, 18/6 is optimum for plant growth, plant health and plant functioning. Your poor old plant is plain exhausted and with a completely effed up metabolism. Nothing, I repeat, NOTHING on planet earth can function normally without sleep, cannabis included. Plants undertake extremely important metabolic processes during the dark/night/sleep time that are essential for plant health and functioning. These processes can not be done while the plant is in an "awake" state or period of lights on time. This is why it is vital to have a dark period during each 24 hour cycle. Besides, cannabis can only grow so much during any 24 hour period and this growth tops out at around 18 hours, meaning running your lights any longer than 18 hours is basically a waste of electricity. Your plant will grow just as much, if not more, at 18/6, due entirely to having a normal awake/sleep/awake/sleep routine and will certainly have a much more normal and much more healthy metabolism, meaning her flowers will also be healthier and more potent too. An exhausted plant can not produce prime flowers. If you are keen, Google "photosynthesis" to find out why having a dark period every 24 hours is so vital for proper plant health and function. Hope this helps, Organoman. PS - having a night/dark time will also help keep your reservoir cooler too.
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BigDickBazuso
BigDickBazusoanswered grow question 4 years ago
Issue seemed to be caused by either too much light time or lowered levels of oxygen in rez. Plant restored after a few days of an extended night period, lower ppms and daily pushing of h2o2/enzymes.
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sir_isO
sir_isOanswered grow question 4 years ago
Yep, if it's 24 hour lighting, it's simply metabolic dysfunction. Plant cant take up or utilize nutrients properly, certain (vital) processes are skipped so it freaks out.
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BioBuds
BioBudsanswered grow question 4 years ago
You day temp is too high. Can you cool your lights? Above 30 degrees your plants go into preservation mode and dont grow as much or stop completely. Try to get the heat from the lamps out of your tent (with fans) or cool in other ways.
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Hashy
Hashyanswered grow question 4 years ago
Hi there dwc is so fun one of my preferred methods. I have looked through your diary. According to that it your air temps are too high so try bring that down. What I would class as the important one is your water temp, that's too high and your plant won't be receiving enough oxygen. It's a hard one to fix without a chiller. You may also want to lower your N levels a little and start increasing P and K. Hope this helps.
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InspireMe
InspireMeanswered grow question 4 years ago
Hi mate, I can see you're already using h2o2. Are you adding more after a few days, as it dissipates over time? Another option is to freeze some water bottles and put them in the res, changing them when needed. It doesnt look like you've got any deficiency or toxicity. Shes showing signs of overwatering. Hope this helps 🙂
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MangoDudu
MangoDuduanswered grow question 4 years ago
If your water temp is your substrate temp , so 28c , is too high, plant is starving to take oxigen, you can add hydrogen peroxide ( if i don’t miss) to get a bigger O quantity in the medium or you need definetly a chiller to keep down the substrate temps
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