potassium burn deficiency nutes magnesium help

Hey guys, Just need some input on what this may be and what to do to remediate this problem. Im thinking it's a potassium deficiency but would like a second opinion. Appreciate any help given! Autoflower ZKITTLEZ PROMIX MP Dr. Earth dry amendments DE premium gold All purpose fertilizer...

Just got some clones a couple weeks ago and they are not recovering like I had hoped - I read all the deficiency and I think I have magnesium deficiency or potassium - with a possible molybdenum - I will post some pictures so that hopefully someone with more experience can tell me what’s up -...