Clean, healthful, sparkling water - that's what a swimming pool is all about. Professional pool maintenance crews will keep a swimming pool clean and its water crystal clear but they cost a fortune. Yet many pool owners who try the do-it-yourself approach find themselves plagued by a host of troubles. Cloudy water. Algae sprouting on the pool's walls and bottom. Pumps, pipes, and other equipment that-corrode and deteriorate at an alarming rate. Funky odours. WHAT COLOUR IS YOUR SWIMMING POOL? Demonstrates how a little investment of time throughout the swimming pool season can prevent major problems and expenses down the road.