Dirty Dog's Efflo and Calcium

55 gallon drum available. Freight will be additional calculated cost after purchase. We will contact you for shipping information.  Efflo and Calcium is a multi-surface acid cleaner that removes efflorescence, calcium, calcium carbonate and hard water stains. It is ideal for use on a variety of surfaces, including concrete, bricks, pavers, limestone, sandstone, riverstone, exposed aggregate, stucco, shingles, EIFS, glass, synthetic stone, anodized aluminum, unpolished marble and other surfaces. At stronger concentrations, Efflo and Calcium can be used to etch concrete in preparation for painting or coatings. For Professional Use Only. Directions: Note: Always add acid to water, not water to acid. Add 1 part Efflo and Calcium to desired dilution rate up to 1:12 dilution (see dilution rate guide below.) Dilutions will vary based on the severity of the stain and type of surface. Pour cold water into the bucket first, then add product. Always test first to confirm compatibility and desired