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๐ง Stay ahead in water quality with precision-packed power!
Hach DPD Free Chlorine Reagent Powder Pillows offer EPA-certified, highly accurate chlorine testing within a 0.02-2.00 mg/L range. This 100-pack of pre-measured, boric acid-free reagent pillows is designed for 10 mL samples and optimized for use with Hach colorimeters and spectrophotometers. Ideal for professional water quality monitoring across municipal, groundwater, and surface water applications, it ensures reliable, routine testing with ease and compliance.






| Customer Reviews | 4.8 out of 5 stars 285 Reviews |
R**4
Good price.
Best deal I could find on these and just what I needed.
L**E
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P**P
They worked great
Good buy, great company i had missing products and they sent me replacement pouches
L**W
Good Price
I have to use these every day to check the chlorine for our neighborhood water system. Itโs a much better price than buying them through our well contractor.
A**R
simple and easy to open packets
The packets are what we need to tell the chlorine levels in our drinking water with in our community well
O**Y
Appear to be genuine Hach test pillows.
These have worked fine and have had no issues with them.
J**S
HACH
GREAT
A**M
Good
Took forever to come
P**G
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Trustpilot
3 days ago
2 weeks ago