How do you install a washing machine drain that has to connect to a loose drain hose that's built into the floor Is it advisable to seal the connection with silicone?

To connect a washing machine drain hose to a flexible hose it is proper to seal the union with plumbers tape and a hose clamp. Silicone should not be used because it may come loose and get into the drainage system. If Silicone is used it might also be necessary to cut the hose when removing the washer drain hose.