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

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

Product ID: 626229394

✅USEPA Method 8021 certified

📏0.02-2.00 mg/L Cl₂ range

🧪100 pre-measured reagent pillows

R3722

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Description

💧 Stay ahead of the curve with EPA-certified precision in every test!

PRECISION YOU CAN TRUST - Accurate chlorine detection within ultra-fine 0.02-2.00 mg/L range for flawless water quality insights.
CERTIFIED FOR COMPLIANCE - USEPA accepted Method 8021 ensures your water analysis meets rigorous regulatory standards.
READY TO USE CONVENIENCE - 100 pre-measured powder pillows streamline testing—no guesswork, no waste, just reliable results every time.
SEAMLESS INSTRUMENT COMPATIBILITY - Optimized for Hach colorimeters and spectrophotometers, delivering smooth, hassle-free testing workflows.
VERSATILE WATER QUALITY MONITORING - Perfect for municipal, groundwater, and surface water testing—stay ahead in environmental stewardship.

Hach DPD Free Chlorine Reagent Powder Pillows offer EPA-certified, highly accurate chlorine testing in a convenient 100-pack format. Designed for 10 mL samples, these pre-measured reagents cover a precise 0.02-2.00 mg/L chlorine range and are fully compatible with Hach colorimeters and spectrophotometers, making them ideal for reliable drinking water and wastewater analysis across diverse water sources.

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

R**4

Good price.

Best deal I could find on these and just what I needed.

24.05.2026

P**G

👍

😊👍

4.04.2019

L**E

👍🏻

12.07.2026

P**P

They worked great

Good buy, great company i had missing products and they sent me replacement pouches

23.01.2026

L**W

Good Price

I have to use these every day to check the chlorine for our neighborhood water system. It’s a much better price than buying them through our well contractor.

23.10.2024

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R3722

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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