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help with plant diagnosis please


heyheywhatisay
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(@heyheywhatisay)
Terpinolene
Joined: 1 year ago

grow is 600w led, growing in pro mix feeding gh trio, roughly 400 ppm and ph between 5.7 - 6.3.  can you help me diagnose my plants problems please

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monkeydo
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(@monkeydo)
Valencene
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It looks like your plant is having trouble with calcium uptake. This can be caused by a few things. It looks like you are in early flower from the looks of your photos and that’s a time when the calcium and magnesium demands are highest. Can you tell me what and how much you are feeding and how often and don’t skip any ingredient. Do you know what the EC of the feed solution is?  The condition can be caused by deficiency or lockout.

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heyheywhatisay
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Terpinolene
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@monkeydo thanks for the reply.  it's autoflower bruce banner, feed flora gro flora micro and flora bloom with ppm around 400.  so i should probably add some cal mag then eh?

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monkeydo
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@heyheywhatisay just so happens I have a Bruce Banner Auto in my tent right now too. Great genetics!!

Yes, you should add some cal/mag to the feed for a while. Start at 1/2 the recommended rate for a couple weeks then drop it to 1/4 rate. This should stop the progression of the spots but those old sores are not going to go away. Just make sure they are not getting worse and you are good. You should be using no more than 50% rate on your GH nutes. Cannabis does not feed as heavily as the manufacturers want you to believe. Don’t stress if the leaves aren’t perfect, you don’t smoke those. As long as the buds are growing and healthy everything is golden.

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heyheywhatisay
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Terpinolene
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@monkeydo thanks alot, your advice and fast response is appreciated.

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