Hot Tub / Spa: lifespan, maintenance and replacement

Typical lifespan: 10–20 years (about 15 years).

Maintenance schedule

• Test and adjust water chemistry (pH, alkalinity, sanitizer) — 2–3 times per week
• Clean filters — Every 2–4 weeks
• Drain and refill water — Every 3–4 months
• Inspect cover for waterlogging or cracks — Every 6 months
• Flush plumbing lines before refill — Every drain cycle
• Inspect jets, pumps, and heater — Annually

Signs it needs replacing

• Shell cracking or blistering
• Persistent leaks from jets or plumbing
• Heater failing repeatedly
• Pump motor burned out multiple times
• Foam insulation waterlogged
• Control panel malfunctioning
• Cost of repair exceeds 50% of replacement

Tips

A quality insulated cover is the #1 energy saver — replace it when it becomes heavy and waterlogged.