HOST PREP Pre-Clean is formulated to break the oily bond that holds dirt and spots to the sides of carpet fibers. It is best used for to clean up syrup, honey, cola syrup, thick food spots, milk and watercolors. To use the HOST PREOP Pre-Clean concentrate, mix 4 parts water to 1 part PREP in a hand-held fine mist sprayer bottle. For added convenience, use HOST PREP Pre-Clean Ready-To-Use, no need to mix.