This concentrated cleaner will make over 8 gallons of CPAP cleaning solution. It is great for cleaning tubing and masks, which require full submersion in a cleaning solution to be disinfected. Do NOT soak masks in the solution as it may alter the fit. It is safe to use every day for your CPAP, BiPAP and APAP machines, tubing and accessories. If you regularly clean your mask, cushions, tubing, and headgear, you will extend the life of those machines and accessories. This cleaner is alcohol, bleach, moisturizer and solvent-free. PLEASE NOTE: This cleaner is not recommended for use in cleaning water chambers for humidifiers.