http://www.hottubworks.com/spa-repair-forum/ HotTubWorks Spa Repair Forum Topic: Does high altitude affect ozone operation? en Mon, 22 Mar 2010 14:51:34 +0000 http://www.hottubworks.com/spa-repair-forum/topic/does-high-altitude-affect-ozone-operation#post-224 Fri, 21 Aug 2009 07:34:56 +0000 Mary 224@http://www.hottubworks.com/spa-repair-forum/ <p>Tests have been ran simulating altitudes up to 50,000 feet with no affect on the operation of the ozone generator. There may be a small reduction in ozone output (maybe 5-10%) at the very high elevations due to less available oxygen. </p>