It is crucial to check for the CYA degree in order to ascertain what FC targets to use. In case you don’t Use a SWG, CYA is often kept between 30 and 60ppm. For those who have a SWG, CYA is typically held amongst 60 and 90ppm (see notes). With time, pool surfaces may become worn, influencing each the looks and the safety of the pool. Our resurfa