You burned them with the combination of pre-ferted soil plus additional nutrients... as I said, FLUSH!!! If you want to save them, do it today!

5-10-5 isn't really something I'd use on cannabis... the high P is good for flowering, but that much N is a little overkill and will make the plant grow leaves still. For veg, you want the N [first #] to be the highest.

Now get off the internet and go flush your plants!!!!