Lighting Any cob users measure lux at canopy?

[Animatey]

That looks like a Potassium Deficiency to me.
Ps. Too much Potassium looks the same!

I might have locked out K with too much Mg maybe... Hard to say at this point... Was using a lot of CaMg and Mag Pro... She is doing good now that I got my rez temps under control though. New growth just green, no yellowing

 

[Animatey]

That looks like a Potassium Deficiency to me.
Ps. Too much Potassium looks the same!

After looking at some pics I think you are right... I probably made it worse by trying to treat Mg deficiency and locked out K using too much Mg and Ca... Weird I have never seen K def before... Learn something every grow!

Thanks for the help MOG, I appreciate you taking a look!

 

[Mañ'O'Green]

I might have locked out K with too much Mg maybe... Hard to say at this point... Was using a lot of CaMg and Mag Pro... She is doing good now that I got my rez temps under control though. New growth just green, no yellowing

That is a basic tenet In hydro. Things can go wrong rapidly or they can be fixed rapidly. Nothing says you love them like a fresh reservoir.