Talk:Iodophor
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Re: Leaving 30 minutes contact time
"I asked about contact time and was told that 60 seconds was adequate. Dr. Landman went on to comment that it is not necessary to keep the surface completely immersed in the solution for 60 seconds. He explained, by way of example, that to sanitize a 5 gallon carboy there is no need to prepare 5 gallons of solution. Swishing a gallon of solution, (at 12.5 ppm), around the inside of the carboy for a minute or two will do the job." http://www.bayareamashers.org/content/maindocs/iodophor.htm