What is this discoloration in toilet?
hows it flushing? the build up often clogs the inner bowl passages
causing poor flushing.....
muriatic acids risks are overstated, just have window open, dont
splash, wear gloves. wear eye protection in case you splash by
accident.
i just take a deep breathe hold it use acid and leave room immediately
shutting door
years ago acids were used all the time without the safety hype
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