CRMI-2000VTWC | Stay on the safe side and prevent spillage of harmful chemicals with Custom Roto-Molding, Inc.’s containment tanks. These popular containment tanks are essentially a tank within a tank. The 2000 gallon primary tank is used to store liquid contents while the 2600 gallon containment tank acts as a safety net in the event of a catastrophic failure of the primary tank. These storage tanks are primarily used when storing hazardous contents and there is risk of spillage. People can use these containment tanks to store similar contents as vertical tanks including agricultural and industrial chemicals, liquid fertilizers, water, liquid feed and many acidic liquids. The polyethylene resin is FDA approved to ensure safe storage of potable water. This is a 1.5 specific gravity tank.