Brown spots

[Slim6969]

Hey everyone I need some help figuring out what these brown spots are from and how to fix it I’m new to growing and don’t know it all
I have 2 plants growing
Critical mass and
Girl Scout cookies

the brown spots are only on the gsc
Some leaves are worse then others ones the brown spots get bad enough the leaves dry out and die

any ideas ??

 

[MrSauga]

Is it starting at the lower fan leaves? What are you feeding it and how much? Type of medium. pH of the mix you are feeding the plant. All those things help.
First guess is a mag def... why is to be determined.

 

[MrSauga]

Pics of the plant as a whole would help too.

 

[Slim6969]

I’m feeding general hydroponics flora series trio. Just fallowing the feed chart
And using sensor cal mag xtra the bottle says to put 2.5ml per gallon I’ve been using 3ml

the ph is 6.0 as per.general hydroponics chart

I did not notice where it started but it’s on the whole plant I’ve picked off most of the infected areas

 

[MrSauga]

What type of medium are you growing in? A pic of the plant will help although if all the infected leaves are gone it may not.

 

[Slim6969]

Here is a pic on the plant and if it helps she’s and auto fem

 

[Slim6969]

What type of medium are you growing in? A pic of the plant will help although if all the infected leaves are gone it may not.

Using promix with 30% more perlite added

 

[MrSauga]

OK, so to me it still looks like mag def but there may be some other things going on. The trio I believe is for hydroponics but not sure if that matters. The def could be just a demand for more magnesium because of high P levels in flower with the nutes.
This is a guide many follow here.

 

[Mountainman80]

Hey everyone I need some help figuring out what these brown spots are from and how to fix it I’m new to growing and don’t know it all
I have 2 plants growing
Critical mass and
Girl Scout cookies

the brown spots are only on the gsc
Some leaves are worse then others ones the brown spots get bad enough the leaves dry out and die

any ideas ??

If there in flower even preflower those fans will be used up by ur girls digging for phos I don't no this is the case or.not worth w try