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๐งช Calibrate with Confidence โ Never Miss a Beat in Water Quality!
The SpecCheck Secondary Gel Standards Set by Hach offers a ready-to-use, laboratory-grade solution for accurate chlorine testing within 0-2.0 mg/L Clโ. Featuring four sealed 10 mL gel cells that simulate test colors, this kit ensures consistent instrument response with a two-year shelf life and non-hazardous formulation, making it an essential tool for precise water quality monitoring.






| Customer Reviews | 4.2 out of 5 stars 18 Reviews |
W**E
I would buy again
Product was as described and was only a month old so the expiration dates were far enough out that I would have a long life use for the item.
J**H
Expensive
They expire less than a year from date of receipt
R**.
SpecChek works!
This product is used to perform monthly accuracy checks required by the state of Texas for Hatch Chlorine Testers. The product arrived on time and was well packaged.
Trustpilot
4 days ago
5 days ago