Foam Free is a liquid, concentrated rapid de-foamer. Often called a ‘surfactant’, Foam Free is designed to both dissipate and suppress suds and foam in hot tub water. From time to time, foam can develop towards the end of the water’s cycle of life as TDS continues to creep upwards, after some months of regular use. A quick squirt of Foam Free will suppress and disperse foam instantly on contact, allowing your customer yet another hot tub session experience without the hassle of building foam. Persistent foaming is a clear indicator that it is time to drain the hot tub and start again with fresh water.