Water Chamber for Philips Respironics DreamStationReplacement water chamber for Philips DreamStation (original DS1) heated humidifiers. Not compatible with DreamStation 2 or DreamStation Go. Why replace? Minerals and heat gradually cloud, pit, or warp the tank, which can lead to leaks, odors, and unstable humidity. Care tips Empty and airdry daily; use distilled water to reduce mineral scale. Weekly: wash with warm water and a mild detergent; rinse thoroughly and airdry away from heat sunlight. Do