The period of time between filter backwashings or cleanings.
The operating time between cleaning and backwash routines.
The operating time between cleaning and backwash cycles.
the time between filtering cleanings or backwashings. The longer, the better.
The operating time between filter cleaning or backwash cycles. Long filter cycles are the most convenient.
A programmed period of time the hot tub filters water each day. Also refers to the length of time between cleaning or replacing the filter element. Floc or Flocculating Agent: Added to water to coagulate or clump haze causing particles (see Alum or Clarifier).