Star brite Aqua Clean is new product designed to deodorize, disinfect and flush out foreign matter from all fresh water holding tanks. After treatment the tanks are clean and safe for refilling. Aqua Clean is especially useful for cleaning holding tanks after winter or other long-term storage. A one-gallon bottle of Aqua Clean retails for around $14.95, and will treat a 100-gallon tank. Star brite, Ft. Lauderdale, FL; (800) 327-8583.