D/2 Biological Solution Gallon thus preventing the natural stone

thus preventing the natural stone from "drying out"

and grout surfaces

Repeat the process until the sealer stays on the surface for more than 15 minutes

when used as part of the sanding and polishing process

These discs have unique three-dimensional abrasive structures that expose fresh

D/2 Biological Solution Gallon thus preventing the natural stoneD 2 Biological Solution is specially formulated to remove environmental pollution, dirt, and staining from biological soils such as mold, mildew, lichen, and algae from indoor and outdoor surfaces. D 2 is a Biodegradable cleaner that is pH neutral and contains no salts, bleach, or acids. It is highly effective for removing stains caused by biological growth on surfaces including marble, granite, limestone, masonry, concrete, wood, canvas, and vinyl &