rhino leaves browning need help!!!!

hi all,

I'm growing 5 white rhino plants with the bubbleponics system and they have been doing great up until now. The tips of the leaves are starting to brown pretty bad and the leaves seem a little dry. I'm growing them hydroponically so there should not be a watering problem right??? should i stil spray the leaves with a watterbottle to give the leaves water for absorption??

ANYTHING WILL HELP.....

--PHXToker22

We love photos. Nutes? Ph?

I'm using the nutreint packs that came with the hydro kit, but not consistently yet, for fear of the plants illness right now. The ph levels are at 6.5 . Should the ph be at a different level?

6.5 seems high to me, but not terrible.

https://www.rollitup.org/marijuana-plant-problems/68769-what-ph-hydro.html

5.8 is good