Relax, refresh, and rejuvenate yourself with us at Quantum Float & Salt Cave. Dedicated to your health and wellness, Quantum is the first of its kind in London. When you need a quick escape we offer a number of natural therapies to reinvigorate your mood and perspective. Quantum offers Sensory Deprivation, Salt Cave, Infrared Saunas, Biofeedback, Naturopathy, Cupping and Acupuncture.