The following are characteristics of Modernism: 1  Marked by a strong and intentional break with tradition. 2  Belief that the world is created in the act of perceiving it; that is, the world is what we say it is. 3  There is no such thing as absolute truth.  No connection with history or institutions.
Pool filter cartridges can run for about 2,000 hours for a filter pump. Usually filter cartridges have to be replaced once every 1 or 2 years. The life of the filter will be less if you enter the pool with suntan lotion, deodorants, mousse, styling gels, and other damaging chemicals.
In winter, reduce the number of hours your pool pump runs by reducing the number of times you filter the water to one 4 to 6-hour filtering cycle every 24 hours. In summer, reduce the number of hours your pool pump runs from 10 to 6 hours per day - research has shown that 4 to 6 hours per day is enough to keep your pool clean.