The Hanna 35 ppt Salinity Calibration Solution is a ready-to-use calibration standard designed for salinity testers and meters used with saltwater and marine aquariums. With a certified value of 35.00 ppt, it provides a reliable reference point for calibrating your salinity tester around the level commonly maintained in reef and marine aquariums.
Each sachet contains 20mL of fresh calibration solution, making it easy to calibrate your tester without opening and repeatedly exposing a larger bottle of solution.
Key Features
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Genuine Hanna Instruments calibration solution
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35.00 ppt salinity standard
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20mL single-use sachet
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Ideal for marine and reef aquarium salinity testers
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Helps maintain accurate and consistent salinity readings
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Sealed sachet helps keep the calibration solution fresh until required
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Convenient for regular tester calibration
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Hanna product code: HI70024P
Why Calibrate Your Salinity Tester?
Accurate salinity measurement is essential in marine and reef aquariums, particularly when preparing new saltwater, performing water changes or monitoring changes caused by evaporation.
Over time, electronic salinity testers can drift slightly from their original calibration. Regular calibration against a known 35 ppt standard helps ensure the reading displayed by your tester remains reliable.
Hanna recommends using fresh calibration solution for each calibration rather than reusing previously opened solution.
How to Use
Open the sachet immediately before calibration and pour the solution into a clean calibration container, or use it according to the instructions supplied with your Hanna salinity tester.
Ensure the sensing area of the tester is properly immersed in the solution and follow the calibration procedure specified for your instrument.
For best results:
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Use a fresh sachet for each calibration
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Do not return used solution to the sachet
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Keep the tester sensor clean before calibration
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Follow the calibration instructions supplied with your salinity tester
Suitable For
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Hanna HI98319 Marine Salinity Tester
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Compatible salinity meters requiring a 35.00 ppt calibration standard
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Reef aquariums
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Marine aquariums
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Saltwater preparation and maintenance
Pack Size
This listing is for 1 x 20mL sachet.
Hanna normally packages HI70024P in boxes of multiple sachets; Simply Fish sells these individually so you can purchase only what you need.
Calibration Value
35.00 ppt
