PROSOCO Limestone & Masonry Afterwash – Neutralizing & Brightening Cleaner (5 Gallon)

NEUTRALIZING & FINISHING CLEANER

PROSOCO Limestone & Masonry Afterwash is a mild organic acid cleaner designed to neutralize and brighten masonry surfaces following treatment with 766 Limestone & Masonry Prewash. Together, this two-step system effectively removes heavy carbon buildup, dirt, and atmospheric staining from porous masonry surfaces.

Ideal for limestone, concrete, and other porous materials, Afterwash restores brightness while neutralizing alkaline residues left by prewashing. It is safe for most masonry surfaces when used properly and is an essential step in professional restoration cleaning systems.

FEATURES / BENEFITS

• Neutralizes residues from prewash cleaning treatments
  
• Brightens and restores masonry appearance
  
• Effective on carbon staining and atmospheric soiling
  
• Safe for most masonry surfaces when properly applied
  
• Contains no hydrochloric or hydrofluoric acid
  
• Concentrated formula for economical use
  
• Easy application by brush, roller, or low-pressure spray

TECHNICAL DATA

• Form: Clear, colorless liquid; pungent odor
  
• VOC Content: Not applicable
  
• pH: 1.10 (concentrate)
  
• Coverage Rate: 75–400 sq. ft. per gallon
  
• Shelf Life: 3 years (unopened)
  
• Freeze Point: 9°F (–13°C)
  
• Flash Point: >200°F (>93°C)
  
• Total Solids: Not applicable
  
• Weight per Gallon: 8.50 lbs

AVAILABLE SIZES

• 5 Gallon

RESOURCES

• Product Data Sheet
• Safety Data Sheet
• Safety Data Sheet (Spanish)
• SDS Canadian French