Can I add a salt water system to any Sunbelt spa?

Yes — our inline salt water feeder retrofit works on any model in our range.

What are the benefits of salt water treatment?

Reduced chemical use, simpler water care, and a gentler experience for sensitive skin.

What are the benefits of cold plunge therapy?

Cold-water immersion is known to support muscle recovery, reduce inflammation, improve circulation and boost overall vitality.

Can one spa do both salt water and cold plunge?

Yes — you can choose saltwater technology, cold-water technology, or both on the same model.

How many cold-plunge configurations are available?

With over 100 possible configurations across our bathtubs and hot tubs, Sunbelt offers exceptional flexibility for personal and commercial use.

Is a salt water or cold plunge system a good investment?

Yes — because it's an inline retrofit built by Sunbelt for any model, you get the wellness benefits of salt water or cold-plunge technology without paying for a separate specialty unit.

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Salt & Cold Water Spas — Sunbelt Hot Tubs

Salt & Cold Water Spas, manufactured by Sunbelt — a Texas hot tub manufacturer since 1979 — inline salt water systems and cold plunge technology on any model.

Sunbelt Hot Tubs, LLC — hot tub, swim spa and bathtub manufacturer since 1979. 1549 Hwy 36 N, Rosenberg, TX 77471 (Houston area). Sales 281-575-9814 · Service & parts 281-788-6709 · [email protected]

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Salt & Cold Water Spas — Sunbelt Hot Tubs