MR. HARD WATER® Glass Sealer 1/2 Gallon MSRP: Now: $151.80 Was: Mr. Hard Water Add to Cart MR. HARD WATER® Glass Sealer Mr Hard Water® Protective Sealant is a durable, easy-to-apply sealer that protects shower doors, windows, windshields, and other glass surfaces from hard water build-up. Mr Hard Water® can be safely... MSRP: Now: $151.80 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $151.80 Was: Subtotal: Add to Cart