Zep Heavy-Duty High Alkaline Cleaner and ZepTeen Solvent Degreaser Bundle Delivers industrial-strength cleaning power for the toughest greasy soils. This high-performance bundle combines a caustic cleaner ideal for removing soot, ink, carbon, and smoke damage from concrete and masonry with a ready-to-use solvent degreaser that cuts through heavy grease and grime on engines, shop floors, and industrial equipment.