HowTo: Size a Pool Pump 

This video should be called, "What information you NEED to choose a pump." It does not size what you need. What you really need as a better video.

This filter is the main dictator of pool pump sizing.

I submitted a request form earlier this evening, but the form either timed out or there isn't a confirmation of submission request splash because I received "URL Not Found"

how to calculiting pump and filter si.zing .how many. tornover. PH and filter surface

Here's a better video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-cqBaDmKrPGI.html and ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-N8acPX27MYs.html

What a load of old crap you talk. You begin by saying it is very complicated and that there are 7 factors to take into account and then end by saying you simply divide the volume by 8. In any case an 8 hour water change is not sufficient to keep a clean pool, 4 hours is a much better figure. So very simple, example an 8m x 4m x 1.5 pool gives a volume of 48 m3 divided by 4 = 12 m3/hour. Really simple isn't it?