Browning leaf during flower

Needing a professional opinion from someone with experience of seeing this , started after week 4 of flower, temps and humidity are within good range..i have been feeding on the high end specially with PK13/14, but also had my ph tester shit it's self a week ago also, looks like I'm having bad luck on this grow..got a new ph pen..have flushed with a weaker nutrient solution to better the ph in the medium also and that is soilless.

Its only really affecting 1 strain of clones with the same appearance, my other's are hardly showing any issues.
Help?!.

If i had to take a guess at what I'm seeing is....an overdose of pk, nutrients...bad ph...lock out, it's not improving since correcting whatever issue it might be,
I just hope i don't ruin my harvest.20230309_222545.jpg20230309_222619.jpg20230309_222735.jpg20230309_222900.jpg
 

green_machine_two9er

Well-Known Member
Whole plant pics would be more helpful. And details! “ in good range” or “ weaker nutrient solution” don’t tell us anything

These type of open needed details won’t help anybody get ya on track.
What are you feeding, how often, what medium, exact temp humidity even light intensity would be helpful.
 
Temp and humidity is in good range, obviously meaning its in the 77f and 40-50% humidity during lights on temp drops within a GOOD RANGE while sleeping also..with a weaker solution ( half strength) lol...it now feels like I'm talking to a grand master newbie. 1200w hps not that its light or heat issues, sorryif I'm giving out some attitude but come on lol.

Way past basic knowledge of answers and questions.

All i need is a good eye to know what is wrong with the leaf and obviously i know the answer to this before i even posted unless someone else chimes in and i was doubting that also , this is RIU after all.
 

Nope_49595933949

Well-Known Member
Temp and humidity is in good range, obviously meaning its in the 77f and 40-50% humidity during lights on temp drops within a GOOD RANGE while sleeping also..with a weaker solution ( half strength) lol...it now feels like I'm talking to a grand master newbie. 1200w hps not that its light or heat issues, sorryif I'm giving out some attitude but come on lol
It's always awesome to see someone show up, demand help from strangers, and then catch an attitude when people ask for more details so they can provide good advice. Can't make this up.
 

green_machine_two9er

Well-Known Member
Temp and humidity is in good range, obviously meaning its in the 77f and 40-50% humidity during lights on temp drops within a GOOD RANGE while sleeping also..with a weaker solution ( half strength) lol...it now feels like I'm talking to a grand master newbie. 1200w hps not that its light or heat issues, sorryif I'm giving out some attitude but come on lol.

Way past basic knowledge of answers and questions.

All i need is a good eye to know what is wrong with the leaf and obviously i know the answer to this before i even posted unless someone else chimes in and i was doubting that also , this is RIU after all.
Sounds like you got it all covered.
 
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