🚀 Elevate Your Testing Game!
The Hach 2635300 SpecCheck Secondary Gel Standards Set is designed for fast and convenient low-range chlorine testing, providing stable and reliable results that meet industry standards. Perfect for professionals seeking accuracy and efficiency in water quality analysis.
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.