Dosatron, of Clearwater, Fla., offers custom panel systems specifically built for self-serve car washes. The panel systems come ready to install. Simply mount the panel to the wall, connect the water lines, drop the suction hose into the chemical container, and the system is operational. Each panel is customized according to the operators’ needs from chemical ratios to plumbing and even space availability. The panels can be retrofitted into any existing plumbing lines and are compatible with existing equipment.