Cleaning your powerbreathe will be exposed to saliva during use their recommend that a few times a week you remove the valve head and soak it in warm water for about 10 minutes see powerbreathe manual for full details but once a week soak the valve head in a mild sterilising solution instead of water using the powerbreathe cleansing tablets only 1 tablet is required each time fitness blue model ideal for recreationally active individuals helps improve fitness levels makes breathing