How often do I need to sanitise? September 05, 2017 04:44 Updated Follow Refer to Chemical Quick Start Up Guide. SpaStore Chemical Quick Start Up Guide_210617AU.pdf 400 KB Download Related articles How long do filters last? What is BioGuard Armour and what are it's benefits? Chemical Quick Start Up Guide What are the color options for my spa cabinet? If I have UV and Ozone systems, do I still need to use the same amount of sanitiser? Comments 0 comments Article is closed for comments.