1. Pour or spray Safegrade-320, full strength, over the stain.
2. Spread the Safegrade-320 evenly over the stain with a hard-bristle brush or broom and scrub into the stain.
3. Let the cleaner penetrate for 3-4 minutes so it can lift the stain.
4. Pour a generous amount of the Greensorb reusable absorbent over the area.
5. Spread Greensorb even over the stain with your broom or brush and scrub into the stain. Let it sit for 2-5 minutes.
6. Sweep up the Greensorb and replace into receptical for reuse.