Quote Originally Posted by Watermom View Post
Yes, add CYA.

Do you use cal-hypo? Or is your fill water really hard? Just trying to figure out why your calcium hardness is so high.
We live in a rural area and have very hard well water. A water softener is pretty much required here unless you would like to buy a new water heater, dish washer, and washer every few years! So the calcium hardness level doesn't surprise me.