It is cheaper and easier for me to use chlorine pucks in the in line feeder. Last year I used the Cal Hypo pucks, this year I am using the CYA based chlorine pucks. I bought a 50 pound bucket that should last me the entire season.

How do I tell how much CYA the pucks will add if I use all 50 pounds?

P.S. I open my pool to 0 CYA every year, so I am not worried about the fact that I am adding CYA to my pool.