Sorry for your loss.
First step is to get a good test kit. Don't rely on strips or a pool store because both are historically proven to be wrong. After you get the test kit, we will get you up and running.
Those numbers look too much like a pool store numbers.
We do not believe in pool store numbers here.
Get a proper test kit and find out exactly what is happening with your pool.
Yes...we know. The issue is that over time, your CYA levels have gotten too high for your salt water system to keep up.
WHAT...IS...YOUR...CYA...NUMBER?????????
Sorry for your loss.
You are at the best Pool Care for Dummies site in the entire world, so you've got that part right. Everything else will be a piece of cake.
It would bother me!
But then I reset all the concrete forms after the workers left because they weren't square to the existing concrete patio.
Sometimes being an engineer is a curse.