Electronic salinity monitor for precise salt measurementAccurately and immediately measures aquarium salt levelMonitor salt levels in marine and freshwater aquariumsContinuously measure dissolved salt levels in your aquarium. Accurately reads aquarium salt levels in millisiemens (mS), but includes a chart to cross-reference both specific gravity (S.G.) or salt (ppt). The reading is fully temperature compensated for true readings of salt levels. Includes a 53.0 mS reference/calibration fluid. Great for marine aquariums and freshwater aquariums treated with aquarium salt. This monitor is especially useful to determine the low level of salt required for Koi, whether in an aquarium or outdoor pond. Runs on a 9V battery (not included).53.0 mS calibration fluid, and adapter kit also available.Please click on "More Information" for directions for use.

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