Is distilled water better than sterile water for CPAP?
Is distilled water better than sterile water for CPAP? Distilled water is the best choice for CPAP humidifiers because it's pure water that is free of minerals and bacteria.
What is the best substitute for distilled water?
That said, deionized water is a good option for many uses, including cooling applications, many laboratory uses, pharmaceutical industries, and more. Unless very high purity water is required, deionized water is often a better alternative because it can be made more quickly and for less money.