Spa Choice 472-3-2041 Foam Free Foam Eliminator for Spas and Hot Tubs, 1-Quart Eliminates foam from your spa or hot tub quickly Spa Choice Foam Free eliminates annoying foam build-up in spas, hot tubs, fountains, or other places where foam can be a problem Use as often as needed to prevent foam build-up Designed For Hot Water Application Downloadable User Guide Available Under Product Information: Technical Specifications