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Ultra High Free Chlorine is perfect for determining whether or not you have the correct amount of sanitizer present
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Retort Checks Canning Indicators for Steam & Water Processes SenSafe™ Free Chlorine Ultra High Need a bigger quantity ofOverview The Retort Check is simply the best means of providing retainable evidence of batch retort processing in steam or raining water canning retorts. These indicator cards use unique inks that change colour fully only when specific parameters of time, temperature and steam quality are met. Unlike the binary (and almost instant) colour change of autoclave tape that is disposed after use, these canning indicators enable operators to match indicator
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