This article discusses water preservation techniques for sustainable living, including household devices and rainwater collection. It explores the benefits and implications of these techniques, such as the convenience of household devices and the limitations of rainwater collection. The article also highlights the potential side effects of using household devices, such as the generation of waste and the high cost of replacing accessories. Additionally, it touches on the possible health hazards associated with the chemicals of PFAS in water. The subject matter is relevant to environmental studies and sustainable living. No specific course code, course name, or college/university is mentioned.