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Light brownish spots on leaves? day 72
grossacstarted grow question 4y ago
Hello, i'm having some ocre / light brownish spots at the middle of some leaves on a Sherbet auto at day 72, see my last pic. Any idea please?
She's been maybe overwatered for a pair of weeks but she looked very thirsty.
Added some liquid worm castings at 30 to 40% at day 6
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Ganjagrandaddyanswered grow question 4y ago
Calmag is your answer buddy. L.e.d lighting and also coco coir are known for leaching magnesium from the plants in mid flower so we supplement it with cal mag. It does create the rust spots and discolouration as you are showing. The damage wont repair but let the leaves be cannabalised to avoid it moving to another one while you add calmag.
grossacanswered grow question 4y ago
I used to insist on the center on watering, which is not good apparently !
Another clue is that i lowered the lamp a week ago to give the trichs a good kickstart, it could be a burn.
Glad this shows near the end tbh. Trichs on the main cola are turning early milky.
Also i did a mistake : i'm in week 5 of flower, day 72 total. (Guess you got it tho)
Thanks a lot !
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EmeraldLakeCannabisanswered grow question 4y ago
Looks to be PH related, but look for second and third opinions.
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Hydro_Hiebsanswered grow question 4y ago
Overly drenched soil can make it look like a phosphorus deficiency is present. Make sure to let your soil dry out in between watering. Make sure your soil p h is in range also. ☺️
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