Happy Hot Tubs - the best for your hot tub
Hot Spring Freshwater Silver Ion Cartridge Sanitizer

Freshwater Continuos Silver Ion Sanitizer

Hot Spring Spas Freshwater AG+ Continuous Silver Ion Sanitisers will give you brilliantly clear, odour free spa water by releasing a steady supply of silver ions that inhibits growth of bacteria. Other benefits of the Freshwater AG+ Continuous Silver Ion Sanitizer cartridge are: Reduces potential for unpleasant odour and scum lines - enhanced bather comfort.

Installs in seconds - right into your spa filter. Relax while it consistently and conveniently sanitises your water. Change your silver ion cartridges every four months. This silver ion cartridge will work in all hot tubs and will allow your spa to tick over without using excess chlorine.

The Sanitizer comes in two parts, the main body and handle.

For see how to fit your silver ion please view our useful video below:

Excellent product. Reassuring to know hot tub water is sanitised.....especially after grandchildren have had a session! ...

Rated by Judy Beale

Great product, very easy to install inside the filter, then forget about it for 4 months confident thats its doing ...

Rated by Stephen Barnett

change mine every 4 months when I change the water, Great Product ...


Really pleased with prompt delivery and look forward to seeing if this product is as good as recommended to me ...

Rated by Caroline Dowley