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In applications involving conductive fluids such as tap water, seawater, ammonia and condensation from air and gases, safeguarding pressure instruments against galvanic corrosion is a critical concern. The corrosive nature of these systems can significantly compromise the functionality and longevity of your instrumentation, underscoring the importance of selecting the most appropriate options for your specific requirements. Typically, people focus on media compatibility as it relates to the wetted materials of the individual components that will be used in a system such as pressure instruments. However, it is also critical to identify potential areas of galvanic corrosion throughout the entire system and only use materials that are corrosive-resistant and compatible with galvanic conditions. Ashcroft has a long and successful history in pressure and temperature instrumentation, including those used in harsh applications such as saltwater and chemical environments. Read this article to better understand galvanic corrosion, where and how it occurs, and why media and material compatibility are so important when selecting the best pressure measurement solution for water-based applications. You will also be directed to additional resources that can help you take the next step in your instrument-purchasing journey.