Best-of lists

Every variable-speed pool pump we cover, ranked by the maker's maximum flow, with horsepower, voltage and plumbing size.

Pool pumps built for above-ground pools, ranked by the maker's maximum flow, with horsepower and voltage.

Sand filter and pump combos for above-ground pools, ranked by the pool size their makers rate them for.

Pool heat pumps we cover, ranked by the maker's heating output in BTU, with rated pool size and voltage.

Salt chlorine generators for in-ground and above-ground pools, ranked by the pool size their makers rate them for.

Replacement spa and hot tub filter cartridges we cover, ranked by the filter area their listings state, with the part numbers each replaces.

Replacement pool filter cartridges we cover, ranked by the filter area their listings state, with the part numbers each replaces.

Corded and cordless robotic pool cleaners we cover, ranked by the cleaning coverage their makers state, with pool type and run time.

Suction-side automatic pool cleaners we cover, with pool type and hose length, ranked by stated coverage.

Pool drop-test kits, strips and digital testers we cover, ranked by the number of tests each includes, with what they measure.