bought 10 gallons of Lifeguard low sheen sealer based on recommended usage per square feet for the area, due to some modifications in layout did not have the need for the entire second 5 Gallon bucket, I called and drove over 20 miles but they refused to exchange the 5 gallon sealer with a one gallon one due to some deformation but a factory sealed bucket, it is important to note that the container was deformed from its original cylindrical shape to begin with.