head loss calcs

Hi Everyone, First post, long time pool user but just inherited my first pool in 2022 when we moved into our current house. Had some questions that I'm hoping the experts here can answer for me. Q1) What should be the difference in pressure (relative) be when the sand filter valve is in the...

New build on-going and new member.. So glad I ran across TFP when doing research. Routinely the best info! Amazed at how much money is being spent by pool owners on pools based on “rule of thumb” or “that should work mentality”. Reaching out for review of our plumbing and hydraulic...