FreshWater® Salt Cartridge

For Caldera® Spas & Hot Spring® Spas

The FreshWater® Salt Cartridge is the heart of the FreshWater® Salt System, delivering a simple, low‑maintenance way to keep spa water clean, clear, and comfortable. Designed for use in compatible Caldera® Spas and Hot Spring® Spas that are already equiped with the system. This disposable cartridge works by converting salt into a gentle, consistent level of chlorine—automatically sanitizing your spa water without the harsh smells or frequent chemical handling of traditional systems.

Engineered with a durable titanium cell, each FreshWater® Salt Cartridge provides up to four months of continuous water care, depending on usage and conditions. Installation and replacement are fast and tool‑free, making it easy to maintain ideal water quality with minimal effort.

By reducing the need for added chemicals, the FreshWater® Salt Cartridge helps water feel softer on skin and eyes while supporting longer water life and a more natural soaking experience. It’s a smarter, easier approach to spa care—so your spa is always ready when you are.

Key Benefits

1. Designed for FreshWater® Salt Systems in Caldera® and Hot Spring® spas
2. Automatically generates gentle chlorine from salt
3. Long‑lasting cartridge life—up to 4 months per cartridge
4. Tool‑free installation and replacement
5. Helps reduce odors and chemical handling
6. Leaves water feeling softer, fresher, and more comfortable

Questions about your hot tubs compabibility? Give us a call!