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 2105569 DPD Free Chlorine Reagent Powder Pillows, 10 mL, (Pack of 100)

Hach 2105569 DPD Free Chlorine Reagent Powder Pillows, 10 mL, (Pack of 100)

Product ID: 208192221

📊Range up to 2.00 mg/L free chlorine

⚗️10 mL precise sample size

🇺🇸Made in USA, EPA accepted method

Description

⚡ Stay ahead in water safety with precision-packed chlorine testing!

EPA APPROVED METHOD - Complies with USEPA Method 8021, ensuring trusted results for regulatory reporting.
LAB GRADE PRECISION - Accurately measures free chlorine up to 2.00 mg/L for reliable water quality analysis.
BULK PACK EFFICIENCY - 100 powder pillows per pack—ideal for high-volume testing without frequent reordering.
COMPACT LIGHTWEIGHT - Each 10 mL sample pillow is easy to handle and store, perfect for busy lab environments.
TRUSTED AMERICAN QUALITY - Manufactured in the USA by Hach Company, a leader in water testing innovation.

Hach 2105569 DPD Free Chlorine Reagent Powder Pillows deliver EPA-approved, lab-accurate free chlorine measurement in convenient 10 mL sample sizes. Packaged in a bulk set of 100, these US-made reagent pillows streamline high-volume water quality testing with trusted reliability.

Specifications

ASIN	B00N3Z46TK
Batteries Required?	No
Batteries included?	No
Customer Reviews	4.8 4.8 out of 5 stars (264)
Date First Available	28 Aug. 2014
Included components	Lab
Item Package Quantity	1
Item Weight	30 g
Item model number	2105569
Manufacturer	HACH COMPANY
Package Dimensions	11.8 x 11.8 x 2 cm; 30 g
Part number	2105569

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