Robert W Lowry COM_COMMENT_USER_WROTE:They only need to make some minor changes to what they are doing, like having a max of 50 ppm CYA...

CYA problems seem to have start 6-8 years ago probably about the time imports of chinese CYA...

I have many customer using borate for as long as 20 years. Dose the pool 1/2lb trichlor tab 1/2lb...