5 weeks in flower

This is Alice, my first grown. She is a Strawberry Kush. My question is about all the small buds. Would growth go to main colas if I pinched off some of these smaller buds? Common Sense gardening tells me it would. I'm concerned about bud growth, seems very slow, and buds are still small. Feed once a week with Fox Farms trio. It has 800 watt LED over, and a 300 watt LED on the side. Am I too anxious, or should I trim the little to strengthen the large??

With the light its hard to tell the true colour of the leaves, they look very dark and that could be an illusion but the tips do look burnt.
As for taking the lower stuff off, it may be a little late to get the full benefit of removing lower bud sites. You could open her up some, pulling the higher branches out and down to try and even the canopy and help the light penetrate the lower sites.
Would be interested to see a true colour picture to see if there is anything else going on.

Here are some better pics. I have nute burn apparently. I found my town water was 7.6 ph. I've been correcting the water for about 4 weeks now