Not Sure What's Going On

We are using super soil and are not sure what's goin on leaves look like there drying out did we not leave the super soil sit long enough we cut the leaves after we seen what was happing can some one tell me what's going on is the super soil burning are plants we have mostly kush 1 northern lights 1 powerplant please help

looks like foliar spost caused by something, i don't know what, i would just pull any leaves off that are more than 40-50 percent damaged