Food Coloring is the go to source to quickly and easily add color to water fountains. In many cases the use is an artistic or decorative application which correlates to a particular event or holiday. In recent years large companies have used this application to increase their brand exposure by matching the official logo color during corporate events. The structure displayed behind the fountain in the image is of course the White House in our nations capital, Washington D.C. It has become an annual traditional and provides a temporary change of scenery during a festive Saint Patricks Day holiday.