I appreciate simplicity, but If I were you I'd reconsider undoing this and going back to separate tanks. It's doubtful that one product can be tweaked to peak performance without affecting the performance of the other. This is assuming you have a typical setup that's common in the industry for the last 40 years. In addition, We're in show business and offering different colors and scents improves the customer experience and will likely extend wash time more than enough to offset the small extra expense of the individual products. Chemicals are a relatively small percentage of expenses