Yellow tips and spots ...Damn

[Bud-Wiser]

Have alook at my pics guys
any advice ?

[mscaboo]

what kinda nutes are you using?how much?what is the ph of your soil?

[WimpyChimp]

same happening here man

[stinkyattic]

I see 2 things going on there simultaneously, which leads me to suspect your soil pH is the culprit. You have burned tips indicating nutrient burn, and pale patches interveinally, indicating Mg deficiency or lockout caused by poor pH.
So flush with pure water, check your runoff, and fix.