Ever wonder how golf courses and athletic fields achieve the striped cuts? By simply cutting in a back and forth pattern the grass will tend to lay in the direction of the sun. By constantly repeating this you can "train" the grass to achieve this effect. Cool season grasses stripe better than warm season grasses.
If you use your pool only on weekends, reduce your heater thermostats settings by eight to ten degrees during the week. Furthermore, when leaving for vacation for more than a week, turn off the pool heater, including the pilot light.