Chocolate haze vs Cereal Milk

Not one but 2 flat stems now the cerial milk has one.... royal queen really like shit genetics...

managed to raise my temps from 18 to 22C and the plants started to give out some smell nothing much but it smells like weed. got a hint of citrus but could have been my imagination went away as soon as i felt it...
started lowering nutes again tap water is 175 and they say they are eating too much at 230.thats what 50ppms of nutes.... but they are still hungry for magnesium soo i give them water and 1g of magnesium almost every day

noticed these top leafs all had purple in them after reading a little bit it could be calcium deficency got some leafs with spotting as well soo maybe today i am gonna add some calcium or maybe its phosporus i am gonna have to double check it when lights turn on
but could allsoo all be from low ph i have had 5.5 and 4.8 a few days kept fighting with too low ph.(didnt want to lower nutes even more but i guess i have to )