Party Blue**®** water enhancer is a unique blend of blue water-coloring agents that turns swimming pool water as blue as the Caribbean Sea. It can be used with all pool surfaces including vinyl, plaster and fiberglass.
– Just one fluid ounce per 10,000 gallons will turn your pool water a brilliant blue for several hours or a couple of days, depending on sanitizer levels
– Compatible with all sanitizers including bromine, chlorine, salt water, ozone, minerals, and biguanide
– Shock treating or super chlorinating the pool will cause the color to fade
– Click [here] to watch a video on Ultima® Party Blue® water enhancer