Ca/Alk/Mag Mess . . . How to fix?

[Enigma]

Originally Posted by gregzz4

As a side note, if it were me with your readings;
I'd dose Ca @ half the recommended for a couple days, and monitor what happens, until I liked what I see

Your Alk is good, and your Mg is close enough ( you know this )
Just try a gentle attempt to balance the Ca some, but, re-test everything after 12-24 hours before you add another dose

What does your NSW test @ after 24 hours of mixing ???

I haven't tested this new bag of salt, yet.