You need to start increasing the CYA levels. Aim for 50ppms to start with, using the sock method. You can add some Calcium for 50ppm, so you dont get any foaming of the water. TA will come down as you add acid to control Ph.
This will produce 1.9ppms of FC. You will most likely need to run [email protected]%(if your cell outputs 0.7lbs per day)I have turned the SWG down to 50% and I have the pump set to run 14hrs per day