Lucid dreaming is the conscious perception of one's state while dreaming, resulting in a much clearer experience and sometimes enabling direct control over the content of the dream. In other words dreaming while knowing that you are dreaming, you are in the driver's seat. Lucid dreaming in a float tank or float spa will give you a shortcut to lucid dreaming. And many clients remark how much more vivid their dreams are after a session in a floatation tank.
You will find the floatation tank to be an excellent tool to enhance lucid dreams, if you are already a strong vivid dreamer, it's even easier to control your dreams while in the tank. You ability for direct control over the content of the dream can greatly increase.