This item hot weather pool maintenance made easy a guide to keeping your swimming pool clean and sparkling by robert g robinson paperback 1295 available to ship in 1 2 days ships from and sold by amazoncom. Buy hot weather pool maintenance made easy a guide to keeping your swimming pool clean and sparkling all year volume 1 by robinson robert g national swimming pool foundation jandy pool products bio dex pool chemicals aquachek test strips isbn 9781450586481 from amazons book store everyday low prices and free delivery on eligible orders. Hot weather pool maintenance made easy a guide to keeping your swimming pool clean and sparkling all year by author dr robert g robinson published on may 2010 dr robert g robinson on amazoncom free shipping on qualifying offers. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Most pools should only need a filter cleaning a couple of times a year depending on the pool usage there are three signs to be aware of that signal its time to clean your filter the drain at the bottom of your in ground pool is obstructed your hose cleaner is sluggish