A biological oil stain remover that rapidly removes and digests oil contamination. Will not erode or degrade Tarmac or Asphalt surfaces. Shake container before use (to put bacteria into suspension) Water wet the oil stain before applying the oil remover. Apply neat to the oil stain, brush in and leave for minimum 1 hour. For bad or old stains, apply product and cover affected area for a few days prior to removal. Water rinse to remove residue and if required absorbent powder to prevent oil spills to surface drains. Sweep up and dispose of according to local regulations. Note: Oil stains degrade Tarmac and Asphalt leaving behind an etched surface which appears as a dark stain this cannot be removed. Use Tarmac Sealer to coat residual staining from oil damage to the surface of Tarmac.