What level should I try to keep my CYA level at for a Vinyl lined pool? I was looking at Bens chart and it seens to me that the lower the CYA is kept at the lower the shock will have to be which will be better for the wear and tear on the liner?? How high can I shock for a short period of time with no ill effects on the liner?
Stabilizer . . . . . . Min. FC . . . . Max FC . . . 'Shock' FC
0 ppm . . . . ... . . 1 ppm . . . . . 3 ppm . . . . 10 ppm
10 - 20 ppm . .. . . 2 ppm . . . . . 5 ppm . . . . 12 ppm
30 - 50 ppm . .. . . 3 ppm . . . . . 6 ppm . . . . 15 ppm
60 - 90 ppm . . .. . 5 ppm . . . . . 10 ppm . . .. 20 ppm
100 - 200 ppm ... . 8 ppm . . . . . 15 ppm . . .. 25 ppm
Stabilizer . . . . . . Min. FC . . . . Max FC . . . 'Shock' FC
0 ppm . . . . ... . . 1 ppm . . . . . 3 ppm . . . . 10 ppm
10 - 20 ppm . .. . . 2 ppm . . . . . 5 ppm . . . . 12 ppm
30 - 50 ppm . .. . . 3 ppm . . . . . 6 ppm . . . . 15 ppm
60 - 90 ppm . . .. . 5 ppm . . . . . 10 ppm . . .. 20 ppm
100 - 200 ppm ... . 8 ppm . . . . . 15 ppm . . .. 25 ppm