How long does Star San last?

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zodiak3000

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im a long time iodophor user deciding to try out star san. i wanted to mix a solution and use it in a spray bottle. how long will it keep as an active solution just chillin in the spray bottle?
 
basically forever as long as you use distilled water.

It can react with the minerals in tap water and degrade over time, so use distilled for your spray bottle.
 
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