super Cheese needs ur help

hi all i have indoor grow , they are about 4 weeks old now , i normaly feed about once a week , i wait till pots are light . temp stays between 20-27 avarge about 24c , i use organic feed , plant magic old timer , and cal mag + anbd root juice and formulux ,.

im getting a white / silver look on some leavs and burn spots or brown spots , help please thanks

Not too much to worry about just keep check that the new growth is healthy.

It looks good, keep it up.

thanks , maybe im just over reacting . i just want it all perfect