Directions:
First apply the White Scum Presoak undiluted and allow it to dwell on the deposit only for approximately five to ten minutes. Apply NMD 80 using an EC Jet (dilutes four parts water to one part solution (4:1) automatically) without rinsing off the White Scum Presoak; allow a five to ten minute dwell time. Rinse completely with a pressure washer to get the desired results. Repeat as necessary.