What is ONCE?

Ozone-free and No Chlorine Environment

ONCE is 100% safe, tasteless, odourless and is a low-cost water treatment product that was developed by Oxidane in South Africa to help the world achieve the sixth Sustainable Development Goal (SDG).
This Global Goal, one of seventeen key development priorities launched by the United Nations in 2015, aims to provide access to clean drinking water (and sanitation) to everyone by 2030.