I have lowish ph (7.8 - 8.0), low Calcium.

Trying to raise my ph, I have raised my ak/dkh to over 16(Salifert test), and my Calcium I can not get above 350.

I'm going to do a 10% water change about every other day and add nothing besides salt/water.

Does this sound like a good approve to bring back balance in a week or so?