Webensuring your water cooler is thoroughly cleaned is a top priority. Regular cleaning helps dissolve mineral deposits, sanitize, and deodorize your dispenser. Webto maintain the best performance and hygiene of your countertop or stand up bottleless water dispenser, we recommend cleaning every three to four months to dissolve. Webto maintain the best performance and hygiene of your countertop or stand up bottleless water dispenser, we recommend cleaning every three to four months to dissolve. Webensuring your water cooler is thoroughly cleaned is a top priority. Regular cleaning helps dissolve mineral deposits, sanitize, and deodorize your dispenser. Webbottleless water dispenser cleaning instructions: This guide details the steps to clean and sanitize your brio bottleless water dispenser. How to set up your brio bottom.