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°"Oy `"'YYyyC~ nc~p:/iwlwW.agrl,c.CJOV.a...QEX/ /UU/1bQU4.(1tII11$tOp <br />T e of Water Amount of Hardness <br />ppm grains per gallon <br />Soft 0- 50 0-3 <br />Moderatel Soft 50 - 100 3-6 <br />Moderatel Hard 100 - 200 6-12 <br />Hard 200 - 400 12- 23 <br />Ve Hard 400 - 600 23 - 35 <br />Extremel Hard Over 600 Over 35 <br />Alkalinity <br />~~ <br />-_ <br />Alkalinity is not a specific substance but rather a combined effect of several substances. It is a measure of <br />the resistance of a water to a change in pH. The alkalinity of most Alberta waters is in the range of 100 - <br />500 ppm, which is considered acceptable. Water with higher levels is often used. Alkalinity is a factor in <br />corrosion or scale deposition and may affect some livestock when over 1,000 ppm. <br />Water Treatment <br />Water treatment equipment can often improve water quality significantly. Each type of water treatment <br />equipment has its limitations and thus should be selected carefully. For more information on water <br />treatment please refer to the Agdex 71 6 D series of fact sheets. <br />Helpful Conversions <br />1 ppm (part per million) = 1 mg/L (milligam per litre) 1 gpg (gain per gallon) = 17.1 ppm (parts per <br />million) <br />References <br />Guidelines for Canadian Drinking Water Quality (1987) Health and Welfare Canada <br />v <br />[ Top Of Document ] <br />[ Alberta Agriculture. Food and Rural Development Home Page J <br />Tbis information is maintained by: Darcv ~tz¢erald <br />Copyright O 1996. Her M.Jah tLe Qocep m the Right orAl6erta. AD rl=hb ssaervcd. <br />Let Psvhed/Revlewed Jano.ry 14,19% <br />of 4 ~ 12/31/97 09:52:35 <br />