SaltDogg?? Liquid Spray Pre-Wet System Controller Improve the efficiency of your road salt application with the SaltDogg® Liquid Spray System Controller. This advanced system allows for precise pre-wetting of the salt before it hits the pavement, resulting in a 20% reduction in salt usage. With expert control over the liquid spray settings, you can effectively manage the amount of liquid used to achieve the optimal level of road coverage. Keep your roads safe and save on salt costs with the SaltDogg® Liquid Spray System Controller.