For example, a minimum wage of $10 per hour will have no effect for workers whose marginal productivity in a given line of work is greater than $10 per hour. The legal supply and demand remains unchanged for such labor.
One way to keep control of the time you run the swimming pool pump is to run it several times a day for short periods of time. If you want to activate the pump once a day, start with six hours, but never go lower than five hours, especially in the summer. If your pool is in constant use, you may need to run the pump for up to eight hours per day, frequently checking the water clarity and chemical balance.
How long to run my automatic pool cleaner (daily or weekkly. Hi. I am a saltwater pool owner from South Africa and I am running my pump for 1 hour per day during winter, 2 hours per day during autumn, 4 hours per day in spring and 6 hours a day in summer.