Continuous Positive Airway Pressure (CPAP) therapy often involves heated tubing, which maintains the temperature of humidified air as it travels to the mask. Unlike standard tubing, heated models contain fine electrical wires that prevent condensation, or “rainout,” from forming inside the hose. Because this equipment transports moisture into your airway nightly, regular cleaning is necessary for hygiene and ensuring the longevity of the device. Failing to clean the tubing allows moisture and organic residue to build up, creating an environment where bacteria, mold, and other pathogens can thrive.
Supplies Needed and Cleaning Schedule
For cleaning heated tubing, the primary supplies are simple and focus on gentle, non-abrasive cleaning. You will need a clean sink or basin large enough to hold the tubing, along with warm, drinking-quality water. The approved cleaning agent is a small amount of pure, mild liquid soap, such as unscented baby shampoo or a similar product free of moisturizing ingredients. Aim to clean the heated tubing at least once a week, though daily washing may be preferable if you use a high humidity setting or notice excessive moisture buildup.
Detailed Steps for Manual Washing
Begin by disconnecting the tubing from both the CPAP machine and your mask interface. Submerge the entire length of the tubing into the basin of warm water mixed with a few drops of the mild, unscented soap. Ensure the soap solution fills the interior completely to dissolve accumulated debris, skin oils, or mineral residue. Gently agitate the tubing by swirling it in the water, or allow it to soak for about 30 minutes for a deeper clean.
The rinsing stage is important to protect your respiratory health from chemical irritants. Hold the tubing under a steady flow of clean, warm water and allow the water to run through the entire length until all signs of suds or slickness are gone. Repeat this thorough rinsing multiple times, carefully tilting the tubing to ensure no soap residue remains trapped in the coils or cuffs.
Ensuring Complete Drying
Complete drying is mandatory because residual water leads to microbial growth and potential damage to the electrical heating elements. Moisture left inside the tube provides a breeding ground for mold and bacteria, which can be inhaled during therapy. Water near the electrical connections on the cuffs could also cause a short circuit or corrosion.
The most effective and manufacturer-approved method for drying is simple air-drying, done out of direct sunlight. Hang the tubing vertically, perhaps over a shower rod or a dedicated CPAP drying hanger, allowing gravity to assist drainage. The tubing must air dry for several hours, or until it is completely dry inside and out, before being reconnected to the machine. Gently shaking the tubing to expel large water droplets before hanging it up can help accelerate this process.
Warnings and Equipment Safety
When caring for heated CPAP tubing, strictly avoid using harsh chemicals or abrasive materials, which can degrade the plastic and electrical components. Never use solutions like bleach, alcohol, ammonia, or strong, scented detergents, as these substances can break down the tubing material and leave behind toxic vapors. Avoid antibacterial soaps and moisturizing agents, as they may leave a film or residue that is difficult to rinse away completely.
Do not use automated CPAP cleaning machines that employ ozone (activated oxygen) or ultraviolet (UV) light without checking the manufacturer’s specific guidelines. The Food and Drug Administration has issued warnings regarding the safety and effectiveness of these devices, and their use may void the warranty of your heated tubing or the main CPAP machine. Always refer to your specific model’s user manual, as following the manufacturer’s instructions ensures both your safety and the longevity of your equipment.