Yes I would suggest that.
Go flush them out I would put 6 litres through them all you will have to get a bucket for the excess water that comes out and I would say they should bounce back with in a day or 2.
If you have a EC reader you could measure the run off and then you know it's nutrient...
I have adjusted my lights now so not as close but I am guttered that i burnt what are going to be the main buds.
Should I leave them as it's not that bad or cut it out?
Do you know your EC/PPM reading. If it's 2.8+ you need to flush them through as your plants could be suffering from nutrient burn/ lockout if that helps
Here are a picture of my girls wondering what you think to them I don't have anything major issues just wondering if I should remove some of the fan leafs?
Taken picture during lights off as well.