I need help with a deficiency in organic

Hey growmies

This is my 4 run in the same soil, and for this run i have amended the soil with

Basalt rock dust
Calsium sulfate
Dolomite lime
Bat guano
Biochar
Kelp meal
Worm casting

But one of the girls have these leafs
Does anyone have an idea what it could be?
My first thought was cal mag. So i have been giving cal mag the last 3 watering.
But its not getting better :face_with_diagonal_mouth:

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May we see the whole plant with this deficiency? Also, where is this presenting itself; lower branches, mid way, upper? Is it all over or central to just one area of nodal growth?

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I would say its all over the plant. The leaf in my hand was from the top of the plant. And you can see in the picture that there is some down below. But it can be hard to see from all the LST i have done

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I really see no immediate issues. Color looks good. Lets hit up @Budbrother . He has a keen eye for leaf health.

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@James87 did this happen a few days after a topping by chance?

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@James87, this is only my opinion (so take it with a grain of salt), but it looks as though it’s an early stage of potassium deficiency. If you have a way of watering the bottom of the soil or a wick system, I would apply a medium to light dose of your flowering nutrient to help facilitate the uptake quicker. Again, only my opinion. Best of luck with your plant bud, she’s looking nice.

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This chart very helpful in diagnosing plant issues.

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Organic? Calling @Budbrother !

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Nope. But it startet in the leafs down below. And after a heavy defoliation it kinda spread to all over​:face_with_diagonal_mouth:

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Dont know if this matters, but she is drinking the water 1 day faster then the others. So the last 2 waterings she got a bit thirsty before watering

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@James87 is she closer to the light(s) than the other plants? I’ve had some that start to do that when the intensity of the light (strain dependent) is too much for her.

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Mg def. Needs 1 tsp Epson


Coming in solid between veins unlike Ca with spotting between veins. Also started bottom up is another giveaway; then spread to uppers after pruning.

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I have just ordered some epson salt, it will be here in 2 - 3 days… then we will see​:grinning_face_with_smiling_eyes:

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1 tsp is that for the hole plant or pr liter of water?

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1 tsp/4 L will bring you outta def and stop progression. Not sure what the Ca balance would be of your mix. If you have to repeat again then I’d up the Ca with gypsum top dress to maintain balance.

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