Is a 1.5 HP pool pump good?
Is a 1.5 HP pool pump good? With that in mind, a 0.5-horsepower pump with 40 feet of head resistance is suitable for small pools up to 11,000 gallons. A 1-horsepower pump with the same resistance will work for pools up to 26,000 gallons, while a 1.5-horsepower pump is suitable for large pools up to 30,000 gallons.