What's my deficiency Beginning of week 7. Slo...

Hey my friend! This is calmag issue. Had it my last 2 grows with idwntical symptomes too. After two weeks of 0.9 ml/L calmag other leaves were not affected. Keep going, nice work 😃 check my actuall diarie and the hawaiian snow diarie. Both have this issue

Agreed with Van Helzing.. They do tend to yellow in late flowering specialy if ur low feeding

Im no expert but if i hadnt looked at the 2nd photo i would say bites from mites, but i guess you have checked under the leaves, judging from the second pic i would say Calcium deficiency if not then Manganese. You can take a look by yourself here for future reference: https://www.royalqueenseeds.com/blog-boron-deficiency-in-cannabis-plants-n604

The Dots are a sign of a calcium deficiency. It could be caused by not enough food and/or irregular watering. The yellowing is caused because if doesn't have acess to nitrogen