This is NOT the same as a store bought cleaner. This is a professional-strength, commercial product intended for the hastiest crud, scum, scale & mildew. Ecolab 6100574 Gel Pro cleaner is a professional, commercial-grade shower and bathroom cleaner that blasts away the nastiest crud & mildew . . . Unlike the whimpy cleaners that cause annoying arm-aching and back-breaking scrubbing. . . . save the work-out for the gym. Gel Pro 50 is a powerful phosphorus free gel bathroom cleaner and mild mildew stain remover with more destaining power than store products. Top choice of up-scale: Resorts & Hotels, Class A Offices, Fitness Centers, Universities & Schools, Restaurants, etc. 16oz clinging gel cleaner. Fresh & Clean scent. Protect your most valuable asset. . . . your hard-earned image and reputation. . . . customers and executives are paying close attention to quality of your work.