help brown spots

[marcusbizz]

Help plz. Got brown spots on leaves.

 

[HunterHunt]

Possible cal/mag def? When mine do that its always a cal/mag. I feed with my botanicare Cal/Mag and it stops.

 

[John1961]

Make sure the PH of your water is correct. If the PH is off, adding Cal/Mag will not help due to nutrient lockout.

 

[go4snypr]

and what is the rest of the plant doing?? any pics of the rest of it??