STAIN-PROOF Acidic Cleaner, formerly known as EFF-ERAYZA, is a powerful cleaner designed to remove efflorescence, rust stains, limescale, grout haze, mortar residue, hard water deposits, and fireplace soot. Suitable for non-acid sensitive surfaces such as granite, slate, basalt, brick, ceramic, porcelain, terracotta, and masonry, it can be used indoors and outdoors. This concentrated formula offers strong cleaning performance without the harsh fumes of traditional industrial acids.
Suitability
- Indoor
- Outdoor
UOM
1 Quart (946 mL) – in inventory
Applications & Surfaces
- Floors, walls, facades, showers, masonry, and brickwork
- Granite, slate, basalt, brick, ceramic, porcelain, and terracotta
- Indoor and outdoor use
- For non-acid sensitive surfaces only
Cleaning Benefits
- Removes efflorescence, rust stains, and grout haze
- Helps clean limescale, soap scum, mortar residue, and fireplace soot
- Concentrated formula for heavy-duty cleaning
- Safer to use than traditional industrial acids
- Low VOC formula
- Must be neutralized after use with an alkaline cleaner
Coverage
- One 1 quart / 946 mL bottle makes approximately 4 gallons of cleaning solution.
- Dilution varies depending on the stain type and cleaning strength required.
- Please refer to the Cleaner Application Rates table for more information.
Storage
- Store in a cool, well-ventilated place.
- Keep container tightly closed.
- Do not freeze.