By John Casey
Among the good things about residential swimming pools is the fact that so much research has been done on pool safety. One outgrowth of that research has been the development of a vast number of products and devices that aim to keep your pool safe.
There are fences designed with self-closing, self-locking gates and rigid covers that slide over the pool like horizontal garage doors. There are even several electronic alarms of various designs. One is worn on the child's wrist like a watch and sounds upon contact with water. Others sound an alarm when movement in pool water is detected.
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