Could use a diagnosis please

[TomTom420]

im in week 4 of flower and a few of my leaves are changing color...a deficiency?

 

[Reklax]

This just isn’t enough info for a useful answer. You have to put some effort in for people to take time out of their day to help you

 

[mysticepipedon]

Lower leaves?

Include a picture of the whole plant.

 

[Ghosttrainx]

High salt build up of a element

 

[Ghosttrainx]

U feeding more in flower what's ph and ec u running as I think alot are going crazy with cal mag

 

[TomTom420]

Britta water always...every 3-4 days...half strength diablo nutes every second watering..grocery store soil...I never ph'd...two cheap amazon less that draw 150 watts actual power each...my temp in the 4x4 is steady around 76 and my humidity goes between 50 lights on to 65 lights off...4 inch filter half strength pulling air out and 6 inch passive intake.

 

[Reklax]

Britta water always...every 3-4 days...half strength diablo nutes every second watering..grocery store soil...I never ph'd...two cheap amazon less that draw 150 watts actual power each...my temp in the 4x4 is steady around 76 and my humidity goes between 50 lights on to 65 lights off...4 inch filter half strength pulling air out and 6 inch passive intake.View attachment 1131881View attachment 1131882View attachment 1131884View attachment 1131885

Your plant looks great bro! Nothing to worry about. It’s normal for some leaves on the inside of the canopy out of light to fade.