Pumps & filters

Variable-speed and single-speed pumps, sand, cartridge and DE filters, valves and media.

PumpsVariable and single speed FiltersSand, cartridge and DE

Valves & mediaMultiport valves and filter media

Pumps & filters

Pumps

Buying guideHow to Calculate Pool Gallons for Pumps, Heaters and Chemicals

Pool volume

Work out your pool's volume in gallons for rectangular, round, oval and freeform pools, with average depth, worked examples and what it sizes.

Buying guideVariable-Speed Pool Pumps

Pool pumps

Variable-speed pool pumps explained: why low speed saves energy, how to size for turnover and filter flow, DOE rules, voltage, plumbing size and programming.

Pumps & filters

Filters

ComparisonSand vs Cartridge vs DE Pool Filters Compared

Pool filters

Pool filter types compared: how fine each filters, maintenance, water use, cost and sizing, plus how to match a filter to your pump's flow rate.