Re: 1/2 HP Pump will work well for almost any pool... LONG POST
I think what you're missing is that you have to consider the amp draw on the pump. A higher horsepower pump means larger diameter plumbing and more amperage draw.
Most residential pools circulate water once every 8 hrs. But everyone has their own methods. There are some that will run a small horsepower pump 24/7 because it is very efficient and provides the best filtration and chemical dispersion. Then there are some that run the minimal run time necessary to turn the volume over once a day, depending in the flow rate of the pump.
Some will run their system on multiple times throughout the day, depending on their pool use. For instance, if you have a waterfall, you may want this running first thing in the morning for your early morning enjoyment. Then have the pump turn off, then back on before you get home for you to use. This is usually a 4 hr in the morning and 4 hr in the evening.
Finally, there is a two speed pump that can be used to run at low speed for the most economical circulation, then on high speed for a suction side cleaner or water features, and back to low speed.
There's no particular way to do this, other than what is correct for your pool use.
My recommendation is that whatever size pump/filter combo you select,make sure you have your pipe sized properly too.
Sean Assam
Commercial Product Sales Manager - AquaCal AutoPilot Inc. Mobile: 954-325-3859
e-mail: sean@teamhorner.com --- www.autopilot.com - www.aquacal.com
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