Pool and Spa
Questions about Pool Repair? Ask an Expert Online.
It sounds like the spa filter mode is set to FC or filter continuously or to a number F8 which would be two filter cycles with an 8 hour duration each so the spa would run 16 hrs a day. What brand spa do you have? If you have the owners manual, look up the filter cycles and make sure you are set at F2, F4 as these are the recommended ranges either one is fine.