Low wash on a truck refers to the amount of water that is used when washing your vehicle. Low wash means that you will use less water than traditional methods, and this can result in a number of benefits such as saving time, money, and energy. It also reduces the amount of detergent or soap needed for cleaning which can help protect the environment by reducing chemical runoff into local waterways. Low wash methods involve using minimal amounts of pressure washing equipment and applying pre-soaked foam or foaming agents directly onto the surface before rinsing off with low pressure. This process requires much less water than traditional car washes which makes it an ideal option for those who want to conserve resources while still getting their vehicle clean.