What would likely be a sign of insufficient blowdown?

High dissolved solids in a boiler system indicate insufficient blowdown. Blowdown is the process of removing a portion of water from the boiler to limit the concentration of dissolved solids and other impurities that accumulate due to evaporation. When blowdown is not performed adequately, the concentration of these dissolved solids increases, which can lead to several issues such as deposits on boiler tubes, increased corrosion, and reduced efficiency of the heat transfer process.

Maintaining the correct blowdown rate helps ensure that the boiler operates safely and efficiently by keeping the level of dissolved solids within acceptable limits. If the blowdown is insufficient, operators may notice higher readings for dissolved solids, which can signal a need for corrective action to preserve the integrity of the system and optimize performance.