💧 Precision you can trust, speed you’ll love.
The Hach SpecCheck Secondary Gel Standards Set offers fast, stable, and highly accurate DPD chlorine testing standards designed for professional water quality analysis, ensuring reliable and reproducible chlorine measurements in laboratory and field environments.
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
Hace 2 semanas
Hace 1 mes
