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PoolBuff
Steam over a hot tub in evening light, a weak stream and a trail of bubbles leaving one large jet below the waterline, more jets and a pillow on the wall above
Spas & Hot TubsTroubleshooting

Hot Tub Jets Weak or Not Working: What to Check

What the spa makers' manuals say to check when hot tub jets go weak, surge or stop: the water level, filter, pump speed, air controls, valves and airlocks.

9 minUpdated Oct 3, 2026
A pool pump on a concrete pad beside a gray breaker box on a post, its door open and conduit running down to the motor, with a black cartridge filter behind
RepairsTroubleshooting

Pool Pump Won't Turn On? Silent, Humming or Tripping

How a pool pump fails to start tells you where to look. Silent, humming, tripping the breaker or GFCI, or shutting off hot: what each means and what to check.

12 minUpdated Sep 25, 2026
A newly installed almond pool pump on a concrete equipment pad, plumbed in gray PVC with flexible conduit running to an electrical disconnect box on the wall behind
EquipmentHow-to

How to Replace a Pool Pump

Whether you need a whole pump or just the motor, the port size that catches people out, and the two mistakes that turn a two-hour job into a plumbing repair.

7 minUpdated Sep 14, 2026
A pool heater with its service panel open showing the burner tray
RepairsTroubleshooting

Pool Heater Not Heating? Diagnose It in Order

Most heater faults are flow problems, gas supply problems or a dirty sensor. Here's the order to check things, and where to stop and call a pro.

6 minUpdated Sep 12, 2026
A modern variable-speed pump photographed cleanly at the equipment pad
ReviewsBuying guide

Best Variable-Speed Pool Pumps in 2026

Real model numbers, real prices and the spec that actually decides which variable-speed pump you should buy. Hint: it isn't energy savings.

7 minUpdated Sep 24, 2026