NY180-4 Features: -Super rust and scale remover.-4 x 1 quart bottles.-Start-up dosage: 15 oz. per 15,000 gallons.-Maintenance dosage: 5 oz. per 15,000 gallons.-Prevents ugly stains, scaling and brown water.-Lighten some existing stains.-Must for areas with well water or excessive metal and mineral problems. Dimensions: -Dimensions: 9.5" H x 3.5" W x 3.5" D.