CLARIFYING LIQUIDS.

Shannon News, 8 February 1927, Page 2

CLARIFYING LIQUIDS.

EASY AND CHEAP METHOD. j SIMPLE SOLUTION OF ALUM. An easy and cheap method of clarifying murky liquid is outlined in a letter to the Auckland Herald by Mr. A. J. Parker, analyist. The result, says Mr. Parker, is to give water, bright, clear and heatlhy for drinking. Mr. Parker writes: —"Someone inquired recently for a method of clarifying city water- for drinking purposes. There is an easy remedy, one which I personally, worked out in my laboratory. It is quite simple. "Take *oz of alum, place it in an empty whisky bottle, half fill with hot water, mix until dissolved, then fill the bottle with water, and shake. Rain or city water will do. "Now fill a clean kerosene can (four gallons) with city water, add a tablespoonful of the alum solution, stir for a few seconds, and then let it rest for a few hours. The water will clear, and the sediment will settle to the bottom of the can. Pour off the clean water into another can, and it is bright and ready for use. "If a jelly bag or filter is available, the water can be put through, but with care. About three gallons can oe poured off quite clear. "A good method is to fix the water with alum solution at night, and pour off in the morning. The resulting water is quite healthy. Most or all of the alum remains in form in the sediment."