thanks. I have the fas-dpd kit and will continue to monitor CYA, currently it's between 40-50. I guess I will just have to see how much it rises over time and adjust my chlorine level to fit within the reccomended range with the CYA (I have seen the chart). It's not a huge deal to drain some of the pool off and refill if the CYA gets out of hand (water is very cheap here). I am curious to see how much it will rise over time when I am on the trichlor erosion feeder.

My wife thinks I'm being way too anal about all this chemistry and testing stuff. She says "my mom never tested a darn thing and always had crystal clear water with no algae" lol.

thanks,
-- john