isnt bascialy all problems related to ph?

besides bugs and fungus??? just thought this would be a good place for this discussion

What about nute burn? or heat stress?

No.

~Heat stress is not caused by PH.
~Nute burn is not caused by PH.
~Over watering is not caused by PH.
~Under watering is not caused by PH.
~Severe stretching is not caused by PH.
~Mould is not caused by PH.
~White Powdery Mildew is not caused by PH.

I dunno, maybe I'm wrong..... But just throwing some non-PH-problems that can come about your direction.....

yea id say more problems are caused by people then by ph