Some tips are bit burned. Does my nutrients amount...

I would say slow up on the nutrients for the time being , dilute them abit more . You'll notice if you look at your plant that the very edges of the leaves look long and elongated into a point , thats from tooo much nitrogen , growers often call this "Clawing" . Its important to remember that underfeeding your plants is often better then over feeding . Underfeeding allows you time to correct the mistake made by adding abit more nutrient that you need to the mix up . Overfeeding can often times lead to damages that cant be repaired and take time to correct . In most situations its really tough to kill a cannabis plant but being that your in a hydroponic type set up and your roots are always exposed to the water its abit more dangerous because you have even less time to correct the mistakes made . So underfeeding is always better then overfeeding . Autos typically dont use alot of veg nutrients as the veg cycle is way short , you can usually get away with some root boosters and calmag for the first 4 weeks then get it ready to flower , this is something to consider for the next time it will save you money and ton's of headache . I hope this information is helpful on your quest ! Happy Growing!