CYA Cost.....did I just take it in the keester?

[columbusdan]

That makes sense, but I have a follow-up question. Once I reach the ppm I want to be at w/ the CYA, do I have to stop using the dichlor so that my CYA won't go any higher? If so, what eventually makes the CYA come down so that I can use more of that? Just don't want to buy that much dichlor and not be able to use it once my CYA is at a proper level.

[Watermom]

Once your CYA is where you want it, you can switch to using bleach. CYA levels pretty much stay the same all season. Some pools lose the CYA over the winter and have to add it again the next year.