D/2 Biological Solution - 4 Gallon CaseSize: 4 x 1 Gallon D 2 Biological Solution is a biodegradable, easy to use liquid that removes stains from mold, algae, mildew, lichens and air pollutants. It is effective on marble, granite, limestone, brownstone, travertine, masonry, terra cotta, concrete, stucco, wood, and other architectural surfaces including monuments, sculpture and headstones. A contact time of only 10 to 15 minutes followed by scrubbing with a soft nylon or natural bristle

Handle & Spray unit conveniently spins on and off for easy filling and cleaning

putty knife

It is effective on marble

5 Liter Handheld Sprayer & Mister

During this transition period

D/2 Biological Solution is a biodegradable

lichens and air pollutants

Size: 6 x Quart (32oz) Reusable Spray Bottles

brownstone

20" handle tampico bristle gong style scrub brush

This sprayer is part of the 1 Gallon D/2 Biological Solution Cleaning Kit

sculpture and headstones