The least that you could have done before taking the picture was to put a couple of those never sold 2oz expiring bottles in your cart so that it looked like they had sold 2. You could have put them back after the picture.
Hypochlorous acid (HOCl or HClO) is a weak acid that forms when chlorine dissolves in water, and itself partially dissociates, forming hypochlorite, ClO-. HClO and ClO- are oxidizers, and the primary disinfection agents of chlorine solutions.
Pool Water