It is vital to test in your CYA level so you can ascertain what FC targets to use. Should you don’t Possess a SWG, CYA is typically stored in between 30 and 60ppm. When you've got a SWG, CYA is often kept between 60 and 90ppm (see notes). I bought the stabilizer. It's ready to go. I just Really don't determine what the order of operations is wit