Help please Leaves tuirning Brown

[niteal]

I am a first time grow indoors, Using dirt(bat quano,pet,mg) I am using 600 MH light ,18-6 ,water two maybe three times a week just water. I have pics can you take a look
thanks Nite
Hope someone can help

 

[orzz]

I am a first time grow indoors, Using dirt(bat quano,pet,mg) I am using 600 MH light ,18-6 ,water two maybe three times a week just water. I have pics can you take a look
thanks Nite
Hope someone can help

Read page one of UB's thread

 

[niteal]

Any help did the pictures help or do you need more info?