Whahappen? 1branch?

Every leaf is up on an angle happy taking it all in then i have that one branch that's been looking weird the last cpl days. Noticed it had a waxy sheen and possibly a cpl burn spots. I flushed/fed about 10-12litres only with ph'd water no nutes. I feed every 3 days about 8litres. No more big bud but still using about 4ml/L of the terp stuff and 15ml per gallon of Neptune.(so 30ml on 2 gallons) still dont know my stuff super well about npk so I find myself trying to follow the recommendations at about 3/4 of what's suggested. This is my second year and though i felt like I learned a huge amount last yr I will always be at the mercy of the learning curve. Anyone g0t any idea if I'm driving into a problem or just over thinking it? 15985359574864243404265433801512.jpg15985360220894352584945918948375.jpg15985361084166442521398652839020.jpg Fans pointing left is the one I considered waxy.
 
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