Located in the lobby of the Kreissparkasse Osterholz savings bank is a large cylindrical aquarium filled with various types of colorful fish. RPT supplied the acrylic for this installation – an aquarium tank measuring more than 8 feet in diameter (2.5m) and standing nearly 20 feet high (6m).

Filled with nearly 6,900 gallons of saltwater (26,000 liters), a coral reef reaches up through the center core to the top of the tank. The tank receives illumination both from natural light and from artificial illumination from within the tank.