ODOURLESS STOP BATH

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Most people have changed from the smellly acetic acid stop bath to the almost odourless Citric acid formulas.

Water 750 ml

Citric Acid 15.0 gr

Water to make 1.0 L



This very simple formula is used by virtually every odourless stop bath. Sometimes a chemical is added to indicate exhaustion of the stop bath by a colour change.

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