Hi, i plan to buy 10 of these. when is the expiry date?

According to the packets and the individual pillow packs, the expiration date for the Chlorine Free -DPD Reagent is 03/24 for storage between 10 degrees and - 25 degrees Celsius.

when this item available ill be needing 5 packs of this?

https://www.amazon.com/gp/product/B00N3Z46TK/ref=cx_skuctr_share?smid=A38UJTODLS8CHT

What are there in hach 2105569 dpd free chlorine reagent powder?

Hach item 2105569 contains DPD which is an indicator that changes color when oxidized, along with phosphoric acid for pH adjustment and a carboxylate salt.

Will these work with Hanna colorimeter?

Which Hanna model is it.? If it is using DPD method. It can be used This kit is designed for 10 ml as a size of sample. You need to check both methods for Hanna meter and Hach’s

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Hach DPD Free Chlorine Reagent Powder Pillows, 10 mL, Pack of 100, Range from 0.02-2.00 mg/L Cl₂, USEPA Accepted Method 8021, Drinking Water and Wastewater Analysis, for Use with Colorimeter, 2105569

Hach DPD Free Chlorine Reagent Powder Pillows, 10 mL, Pack of 100, Range from 0.02-2.00 mg/L Cl₂, USEPA Accepted Method 8021, Drinking Water and Wastewater Analysis, for Use with Colorimeter, 2105569

Product ID: 626229394

✅USEPA Method 8021 certified

📏0.02-2.00 mg/L Cl₂ precision range

🧪100 pre-measured reagent pillows

Description

💧 Stay ahead in water quality—test smarter, not harder!

PRECISION YOU CAN TRUST - Accurate chlorine detection from ultra-low to moderate levels (0.02-2.00 mg/L Cl₂) ensures your water quality data is always reliable.
CERTIFIED FOR COMPLIANCE - USEPA accepted Method 8021 certification guarantees your testing meets rigorous regulatory standards for drinking and wastewater analysis.
READY TO USE CONVENIENCE - Pre-measured 10 mL powder pillows streamline testing workflows—no guesswork, no mess, just consistent results every time.
SEAMLESS INSTRUMENT COMPATIBILITY - Optimized for Hach colorimeters and spectrophotometers, delivering fast, dependable readings that integrate effortlessly into your lab or field setup.
VERSATILE WATER QUALITY MONITORING - Ideal for municipal, groundwater, and surface water testing—empower your environmental or industrial water programs with trusted reagent performance.

Hach DPD Free Chlorine Reagent Powder Pillows offer EPA-certified, precise chlorine measurement in a convenient 100-pack of pre-measured 10 mL doses. Designed for use with Hach colorimeters, these reagents support reliable monitoring of drinking water, wastewater, and environmental sources, making them essential for professionals demanding accuracy and compliance.

Specifications

ASIN	B00N3Z46TK
Are batteries included?	No
Brand	Hach
Country of Origin	USA
Customer Reviews	4.8 4.8 out of 5 stars (254)
Date First Available	11 January 2020
Included Components	Lab
Item Weight	30 g
Item model number	2105569
Manufacturer	HACH COMPANY
Model number	2105569
Net Quantity	1.0 Count
Number of Memory Sticks	100
Package Dimensions	11.8 x 11.8 x 2 cm; 30 g

Reviews

P**P

They worked great

23.01.2026

P**G

👍

4.04.2019

L**W

Good Price

23.10.2024

A**R

simple and easy to open packets

5.10.2024

O**Y

Appear to be genuine Hach test pillows.

7.09.2024

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