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Purple Leaves (not purple bunds!)

Scrumpy
Scrumpystarted grow question 3 years ago
Noticed some purple patches forming. Im sure this happens every grow and I end up with a range of answers, but as I'm using some utes this time, I wondered if its more likely to be one answer over another this time. Think its phosphorous deficiency?
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Week 6
Leaves. Color - Dark-purple
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CRiSPrGrow
CRiSPrGrowanswered grow question 3 years ago
Hey there Scrumpy, happens every flowering right? like when the plants are making buds? that's because (and there's only one reason) they use more PK during this time , you're seeing K deficiency, you can tell by the colorful splotches. you're already adding PK but what happens is that the soil by itself and the PK by itself cannot be absorbed by the plant correctly, it needs to be broken down. This you can do using enzymes, humic acid, or beneficial bacteria like bacilus subtilis . If you check the second picture you can see some dots , this is calcium deficiency, same story as the PK, but just using one of the three things above should break up enough of what's in the soil for the plant. If not just use cal mag. you basically always need three things, one NPK which you have, one additive, one cal mag. hope this helps ! 🚀
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Mr_Weeds_Autos
Mr_Weeds_Autosanswered grow question 3 years ago
When you notice a plant with purple leaves rather than the normal green color, it is most likely due to a phosphorus deficiency.
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Burmese
Burmeseanswered grow question 3 years ago
Hi there, There could be alot of factors causing the problems.Deficiency sometimes doesn’t result from lack of nutrient.It may lockout due to improper pH or abundant of other nutrient in that pH.Find out the base cause. As long as you are giving the perfect growing conditions and feeding, they will not go worse.Before you do anything, make sure your water pH, ppm(EC) and run off are in corrected range.Keep your temp and RH in proper range which I prefer around 25C and 50% for all stages.Slightly different between day and night.In that way, you don’t need to worry much about your plants.If you are growing in soil, keep your pH around 6.0~6.5 for both of your water and run off.Also in soil,the less nutrient the better to prevent lockout.Happy Growing... ✌️
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Organoman
Organomananswered grow question 3 years ago
It IS called PURPLE Kush, so I would be expecting some purple colours, either in the leaves or especially the flowers! It is not a deficiency, but is most likely to occur if night temps are low, or due purely, like in this case, to genetics. The purple colour is a result of the accumulation of anthocyanins, a pigment that occurs naturally in cannabis plants and in variable amounts, depending on genetics. Hope this helps,........ Organoman.
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Lloyd_Jones
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