Will 7.5 ph kill my plants in dwc system

[sanjose]

my ph is reading 7.5 will that kill the plants i dont want to add anymore ph down i feel like ive alredy added alot

 

[SnowBender]

manganese, calcium and phosphorus become unavailable when ph is too high in hydro

 

[JJ Bones]

That first colorful graph is badass. Thanks for sharing it; it's very useful. +Rep