Lime softening Part 1 practical math for water treatment plant operators
Water plant operator Lime softening - A module in the practical or applied math series of videos for water treatment plant operators. This is lime softening math as seen on licensing exams. Question #7 has a typo in the formula at top for lbs/MG CO2 needed.. There is supposed to be an addition (+) sign in the formula, not a subtraction (-) sign.