It is vital to test for the CYA stage so that you can identify what FC targets to use. Should you don’t Possess a SWG, CYA is usually kept concerning 30 and 60ppm. For those who have a SWG, CYA is often saved among 60 and 90ppm (see notes). You improve CYA by introducing cyanuric acid, generally marketed for a stabilizer or conditioner. CYA is o