Choose the following equipment that is NOT needed for establishing up a fish tank. Manifold Thermometer Air Pump Filter

The equipment that is NOT needed for establishing a fish tank is the manifold. A manifold is typically used in plumbing to connect multiple pipes together, but it is not necessary for setting up a fish tank. The other equipment listed - thermometer, air pump, and filter - are all essential components for maintaining a healthy environment for the fish in the tank.