I am getting a 27’ round Blue Cascade Harmony AGP. It has Hayward wide mouth automatic pool skimmer and adjustable return in-let. Dual bottom main drains. Pool plumbing is schedule-40 PVC flex hose with independent flow control valves. (They say they don't use ribbed plumbing hoses because they usually last just a couple years due to drying and cracking). First does all of this sound good?
Second, the dealer has a Hayward Matrix 1-1/2 HP, 2-Speed pool pump and a 19” Heyward sm1915shg filter with 150lbs of sand in my package. From the reading here, it sounds like I would be better off with a Hayward Matrix 1hp 2-Speed pump and a 21” Sand Filter with 300lbs of sand. Is that what I should do, if not what do you recommend?