Not sure why 10% was your target. Typical target is 60%.You can try and rehydrate with Boveda 62 packs. With RH below 55% the curing process typically stops. I found this chart on the forums.
It is difficult to give you precise advice, because you have yet to decide how you want to accomplish your goal. Yes, we'd all like the weed fairy to drop off our favorite flavors... :) We could list off a bunch of merchandise for you to order, but without a budget or goal stated, we can't help...
1) Get your environment set up. Lights/temp/humidity controls
2) Figure out what your going to feed with. Coco has no nutrients.
3) Start reading. Clueless is a fixable condition.
4) There are many ways to succeed at this,just pick a direction and go.
The alkalinity of your water can have a large influence on your need to pH. I believe that's why we have seen so many different results between the pH and non-pH crowds. God bless the folks who don't have to pH their feeds.
I, on the other hand, avoided major catastrophe by adjusting my feed pH...
My first glance reaction was light/heat stress, check your light positioning. Those LED lights can scorch some tender leaves, but this usually happens at the top of the plant. Check heat controls while you're working the problem. ;)
Looking at your data, you state you are in a soil grow. (Happy Frog)
Yet the nutrient feed data sheet you pictured is for a soil-less/hydro/coco style grow. This will result in you missing your pH target.
I think your pH is too low, locking out P. Your target feed pH should be 6.5 according to...