One of the first things that attracted my parents to the house we now have lived in for the last 16 years was the in-ground swimming pool out back. Many summers were spent enjoying it with friends and family but, as any pool owner knows, there were "others" who enjoyed it as well. Have you ever heard of a skimmer? This is the drain located a few feet from the pool where the water gets continually pumped through in order to reach the filter, initially...
