I got the Taylor test kit and discovered that my CYA was off the charts so I drained about 2/3 of the water from the pool and refilled last week.
My current test results are:
FC 0
PH 7.4
Alkalinity 100ppm
Hardness 190ppm
CYA 40
It's a 13,000 gallon pebble tec pool with a DE filter that I...