Liner replacement. Including new return fittings, new coping, and re-leveling the shallow end floor.
This is what could happen if the water level becomes to low over the course of the winter due to a water loss
Liner replacement before and after.
Re-position and re-level equipment. Replace sand filter with cartridge filter. New Aqua Rite Low Salt
A proper winter cover will keep your water just as it was in the fall.