Clear Choice’s Swim Spa product is the perfect way to convert a larger spa to a chemical free spa. This all natural spa product has been specifically formulated to cater for the larger body of water (3,500 litres to 10,000 litres). After purging your swim spa with Spa Prep just fill your spa with tap water, add the Swim Spa product once every fortnight and you’ll be well on your way to enjoying your swim spa without harsh spa chemicals.