Hi Philip. Yes, you can make up an all-day batch of MMS1 and keep it in a glass (not metal) thermos bottle.
However, as you may have read in Jim's book, MMS users report the most effective method of making and taking MMS1 is when doses are freshly made each hour & ingested within 1 minute. If you are working or travelling, then the all-day bottle would be the next best option.
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