Four, 7 lb. Bottles per Box. Outpak Washout Slurry Solution makes your slurry waste cleanup easier to manage and much more efficient. Mix Ouptak Slurry Solution into the slurry waste and wait a few short minutes for it to solidfy. The material becomes EPA compliant and landfill ready. Dispose of in any standard waste container.
Additional Resources: Legal Options for Concrete Washouts