Hot Spring 77165 Subwoofer no-badges The 2 lb size lasts

The 2 lb size lasts approximately 2–3 months of typical maintenance for a standard 400-gallon residential spa — long enough to make it cost-effective

confirm — and your water care chemistry can do its actual job without an invisible enemy quietly consuming sanitizer and feeding algae

extends their usable life by months or years

It does not make a filter clean better on any given pass

Hot Spring 77165 Subwoofer no-badges The 2 lb size lastsHot Spring 77165 Subwoofer Overview A hot tub subwoofer is a specialized audio device designed to enhance the underwater sound experience, delivering deep and immersive bass tones to elevate the overall enjoyment of your spa sessions. What's in the Box 1 x Hot Spring 77165 Subwoofer Compatibility Please reach out to our customer support team and they will be able to verify if this part fits your model. Brand Hot Spring