dark spots on plant after feed.

[cloofke]

hello everyone.
can someone help me to tell me what might me wrong with my plant ?
my temps are 21-23C (70-73F), humidity is 50-65.
i feed to 1.0EC and 450-500ppm, water temp is stable at 20C ( 70F) with a ph of 5.8 and add ph down once it gets to 6,2 back to 5,8.
i feed with GH tripart,calmag,H2o2 and epsom salt. i make a 1.5 gallon bucket with 2500ppm and add bit by bit in my 7gallon bucket til i hit my ppm/EC then adjust PH.
to be specific, 19ml of micro , 18ml of Grow , 15ml of bloom, 10ml of H2o2 and 5 pinches of epsom salt. to get around 2500ppm concentrate.

 

[Grownsince95]

Starting a new thread for the same exact issue as your other active thread is only going to be confusing and annoying to those of us who were following along trying to help.

That brown spot looks like the same issue from your other post just older. The plant is 99% healthy at the moment and needs to just be monitored closely for a week or two to see if there's really an issue that needs to be addressed.

More plants are killed by love than by neglect.