Nice work on the stickies and the spacing, much easier to read.
Water only for #2 & #5, see what their run off is before you feed them with nutrient water.
Your just starting week 4 of flower let’s say.
So 950 ppm is your target 6.5 ph
Make sure they get a good healthy amount of run off, it’s very important.
For the fox tails, it’s because light is to close or to powerful or heat is to high shoot for 80f/27c
Have learned about dialing your lights in?
Here is how to do it, if you want skip down to the app part.
Please give my thread a like and read it, great video to.
Your doing well keep it up