The Xanigo Marine XMDDC1G is a natural dock and deck cleaning solution in a 1-gallon size. This formula features 94% biobased content verified by the USDA, utilizing plant-based ingredients and biosurfactant technology for high performance and biodegradability. For general cleaning, dilute the solution at a ratio of 1:5 to 1:20, mixing 1 gallon of cleaner with 5 to 20 gallons of water. For stubborn stains like oils or bird droppings, apply the cleaner undiluted, scrub, and then rinse with fresh water.