Stain-Proof Acidic Cleaner

Acidic Cleaner is a professional-grade concentrated cleaner designed to remove efflorescence, grout haze, rust marks, limescale, soap scum, fireplace soot, and mortar residue from hard surfaces.

This non-fuming formula is safer to use than traditional industrial acids such as muriatic and phosphoric acid while delivering powerful cleaning performance on non-acid sensitive stone, tile, brick, masonry, porcelain, ceramic, granite, slate, and basalt surfaces.

Acidic Cleaner is suitable for indoor and outdoor applications including floors, walls, facades, showers, masonry, brickwork, patios, and restoration projects.

Key Features

• Removes efflorescence, grout haze, rust stains, and mortar residue
• Effective against limescale, soap scum, and fireplace soot
• Safer alternative to muriatic and phosphoric acid
• Non-fuming concentrated formula
• Suitable for non-acid sensitive stone and masonry surfaces
• Indoor and outdoor use
• 1 quart makes approximately 4 gallons of cleaner solution

Recommended Uses

• Granite, slate, basalt, brick, ceramic, porcelain tile, and terracotta
• Floors, walls, facades, showers, masonry, and brickwork
• Efflorescence, grout haze, rust stain, and hard water deposit removal

Product Details

• Brand: Stain-Proof
• Product Line: Acidic Cleaner
• Product Type: Concentrated Acidic Surface Cleaner
• Product Code: 141912
• Size: 32 fl oz / .95 L
• Color: Clear liquid
• Coverage: 1 quart makes approximately 4 gallons of cleaner solution
• Application Temperature: 40°F–95°F (5°C–35°C)
• Dry Time: Do not allow solution to dry on the surface
• Clean-Up: Rinse thoroughly with clean water and neutralize with alkaline cleaner

Application Notes

• Always test product on a small area first to check acid sensitivity.
• Pre-wet the surface with water before application.
• Do not allow the solution to dry on the surface during cleaning.
• Neutralize the surface after cleaning using an alkaline cleaner solution.
• Rinse thoroughly several times with clean water after use.

Technical Product Sheet

Frequently Asked Questions

Can you use an acidic cleaner on marble or travertine?

No. Stain-Proof Acidic Cleaner is formulated for non-acid-sensitive surfaces. Marble, limestone and travertine are acid sensitive. If unsure, check the product TDS or contact ProChem Supply at (864) 763-9111.

Does Acidic Cleaner remove grout haze?

Yes. It is formulated to remove grout haze, along with efflorescence, rust stains, limescale, soap scum and mortar residue. Check the TDS for dilution rates.