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304 North Cardinal
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Weekend: 10AM - 5PM
Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM

A practical 2026 roundup of the best salt water systems for hot tubs and swim spas, with a quick-pick table, full reviews, and a buyer's guide for capacity and upkeep.

Is your Hot Spring ACE cell faulting or under-producing? This guide covers when to replace it, your replacement options, and how to install a compatible salt cell with confidence.

Softer water, less chlorine smell, and far less hands-on dosing. Here is how a salt water system works in a hot tub and exactly how to convert yours.

One of the first questions every new salt-system owner asks is simple: how much salt do I actually add? The honest answer is that it…

The smarter, simpler solution for crystal-clear spa water without draining and refilling every month.

The 30-second version: electrolysis through titanium plates. The full version, and why cell size matters.

Same end result, a softer feel on skin, fewer test strips, and no chlorine smell clinging to your swimsuit. Here's how salt chlorination quietly changes the daily spa routine.