In Reply to: re: Water in Castlebar posted by The Waterboy on January 04, 2015 at 18:37:35:
Is the use of Alum (hydrated potassium aluminium sulfate) to treat drinking water not a tad controversial in some quarters ?
What (if any) are the alternatives ?
BTW nice to hear contributions from someone who obviously possesses some knowledge of the subject under discussion. Can be a rare enough thing around these parts !