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Natural Swimming Pools: A Guide for Building
Natural swimming pools rely on the correct balance of living plants and micro-organisms to clean and purify the water. They are easy and less costly to maintain than chemical pools. Chlorine and other common pool chemicals that are hazardous to human health are not used. Natural pools are safe places for children to play and birds to drink, and are a dramatic example of ec ...more
Hardcover, 256 pages
Published May 1st 2008 by Michael Littlewood
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