Hurriclean Deluxe has more volume for your buck. Includes three 4 oz packets, 33% more than the original.Hurriclean Deluxe features a new and improved formula that eliminates hardening of the powder. More shelf life!The new Hurriclean formula has more citric acid than before which gives it more cleaning power.The larger volume means more chemical reaction with water, producing a powerful cyclonic foaming action that removes buildup, scum and rust marks.Hurriclean is still easy to easy to use, hands free, and safe