Chemical products used in industry, science, agriculture, horticulture, forestry and water treatment including water purifying chemicals and chemicals for removing soft iron oxide, bacteria and calcium and magnesium salts from water bearing formations, well screens, casings and pumps; chemicals for dissolving slime, organic deposits of iron bacteria, iron bacteria incrustations and hard water scale; anti-bacterial acid; mud dispersants; chemicals for separating mud particles and holding them in suspension for removal from water wells; concrete plasticizers and chemicals for treating concrete; chemicals for providing surface coatings on tailings, mineral stockpiles and other deposits to reduce surface erosion; crust forming binders and all other goods included in this class

Rust removing preparations; scale removing preparations; preparations for removing rust and scale from bore screens and casings; preparations for dissolving organic deposits of iron bacteria, rust, iron incrustations and scale.