I have a Aqua-rite T-15 SWG on my pool. All last year I ran the cell at 15-20% to keep FC around 4-5.
This year after running a few days at 40%, my FC is only around 3-4. The ump runs 20hrs a day with 6 hrs on High speed. I see the bubbles in the water, but I can't get the FC to get higher. I have my solar cover on the pool.
the water is in balance.
is they cell going bad after 1 yr and a few months? Its clean and all wires seem fine. Again, its making chlorine as I can see the bubbles.