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 If I have UV and Ozone systems, do I still need to use the same amount of sanitiser? What are the color options for my spa cabinet? Comments 0 comments Article is closed for comments.