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#22921
jim-moffatt
Participant

    US Member

    Ammonia is a great tank cleaner and I use it all the time. However it attacks brass fairly quickly. It may eat away a brass or copper screen in a day or so.

    Muncie/Nwptune tanks from the 30s have a thin brass tank neck and 3 days of ammonia in the tank caused it to be unusable. THe 30s omc tanks do not do this but I would limit the time its used to 1 to 2 days.