Freshwater® Ozone System

Freshwater® Ozone System for Fresher Hot Tub Water

Keep your water clean and clear, while reducing the need for chlorine. This system combines the cleaning power of the FreshWater® III high-output ozone generator with FreshWater MPS non-chlorine oxidizer and silver ions for protection against contaminants.

Benefits of Freshwater Ozone

  • Continuous cleaning. Ozone and silver ions are released into your spa water continuously.
  • Easy maintenance. Simply dose the spa water with MPS with each use of the spa and add chlorine weekly.
  • Reduced levels of chlorine. Enjoy safely sanitized spa water, without the need for a constant chlorine level residual.

An Ozone System mixes concentrated ozone bubbles into the water to neutralize contaminants such as lotions, detergents and organic waste. An ozone system uses fewer chemicals and can be paired with FROG sanitizing systems. Ozone is not intended for use with the FreshWater® Salt System.


Corona discharge cell technology generates a high concentration of ozone that works to neutralize contaminants on contact and enhance water quality.


This fast-acting formula refreshes and brightens hot tub water. Plus, it’s pH neutral, so it won’t alter water chemistry.


FreshWater Mineral Spa Sanitizer provides continuous silver ions to further reduce the need for chlorine by inhibiting bacterial growth. Silver ions are released into the water automatically so there’s no chance of under- or over-dosing. Simply replace the cartridge every four months.


Use these test strips to monitor your spa’s MPS, pH, and alkalinity levels when using the MPS chlorine-free oxidizer.

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