Stop feeding it so much, make sure PH is correct, stop feeding it so much, wait for a few days, see what she looks like, then stop feeding it so much again.I fed last week with epson salt for Cal / Mag and have read you dont need cal/mag additives when using heavy 16 nutrient line.
It looks like you have more than a def goin on...it looks like you have a nute lock out and are getin' ready to have a toxicity prob...Do you just "water" her? How old is she? How long has she been in that pot?...I would suggest a good flush with just PHed water and see how she does..(I PHed my flush at 6.0 and the runoff was still 6.7, at first, bottom line you want 6.5 +/- .1)View attachment 2559670View attachment 2559671
I am using promix BX with heavy 16 nutrient line, I feed once a week.
My lower fan leaves look necrotic and I think it is a phosphorous deficiency and opinions are appreciated thank you.
What are you talking about? of course i give them plain water in between being fed. Why would i not water in between feeding? That to me makes no since, my pot size is 5 Gal buckets. My low humidity forces me to water maybe more than you? My humidity this past week hasn't been over 40. Of course i feed every week as any feeding schedule will tell you to? My room is temperature controlled at 76F and besides these few fan leaves my plants look beautiful. I have went against your judgment and have given them cal/mag, Orca, and Hi-brix(molasses) tonight being that these will not hurt the plant the Orca and Molasses should at least help the root system. The heavy feeding schedule is not max strength on the heavy 16 line it is 3/4 strength "Heavy Pro" is what they call full strength. I haven't heard of moisture stress before? My leaves are brittle I don't believe i mentioned this.
" I do not believe i am over feeding them, i am following the heavy 16 heavy feeding schedule. I feed once a week with pure water in between feedings. "
*sigh*...
NEVER use full strength nutes.. let alone every week, let alone what size pot do you have that you have to water in between these weekly gorgings?
The plant looks moisture stressed, it looks like it is being fed too much, and you say you are feeding it once a week full strength and watering 'in between'..
My best guess is moisture stress, and you will continue to kill it if you introduce cal/mag hi brix into the fold BEFORE you get this issue fixed and let her recover a bit.
She needs LESS not more.. she needs you to get her environment stable and for you to leave her alone and be a plant.. there is no magic potion there is no quick remedy.. the best thing to do is lay back on EVERYTHING you have been doing and leave her alone a few days.. you are stressing the stress..
If I had to guess.. and I could be wrong.. God I have been wrong before.. (mostly about people, not plants.. *L*)
I would not use tap water, I think that's your problem due to the excess of CalMag, Chlorine, Chloramines, excess of heavy metals, etc. However that can differ depending on where you reside and if you have a water softer, RO, or other unit to purify the water.Thank you for all the responses, I flushed the beginning of last week until my run off ppms were below 300 then fed them with ppm of 1200 with the addition of epson salt which i now have Cal/Mag on hand and will not be using epson salts anymore. I do not believe i am over feeding them, i am following the heavy 16 heavy feeding schedule. I feed once a week with pure water in between feedings. The plants are 2 weeks into flower they have been in 5 Gal. buckets for a month now. The nutrients are PH balanced and i have never adjusted PH, my tap water is PH neutral 7 and heavy 16 brings it down just a notch to were it should be. I am confused, I am introducing Orca, Cal/Mag, and Hi-Brix this week.