---
product_id: 18712651
title: "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"
brand: "hach"
price: "9111 kr"
currency: ISK
in_stock: true
reviews_count: 9
category: "Hach"
url: https://www.desertcart.is/products/18712651-hach-dpd-free-chlorine-reagent-powder-pillows-10-ml-pack
store_origin: IS
region: Iceland
---

# USEPA Method 8021 certified 0.02-2.00 mg/L Cl₂ range 100 pre-measured reagent pillows 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

**Brand:** hach
**Price:** 9111 kr
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead in water quality with precision that professionals trust!

## Quick Answers

- **What is this?** 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 by hach
- **How much does it cost?** 9111 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/18712651-hach-dpd-free-chlorine-reagent-powder-pillows-10-ml-pack)

## Best For

- hach enthusiasts

## Why This Product

- Trusted hach brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready When You Are:** Convenient 100-pack of pre-measured powder pillows streamlines routine testing without the hassle of measuring.
- • **Seamless Integration:** Optimized for Hach colorimeters and spectrophotometers, delivering consistent, reliable results every time.
- • **EPA-Backed Reliability:** USEPA accepted Method 8021 certification guarantees compliance and confidence in regulatory environments.
- • **Precision You Can Trust:** Accurate chlorine detection from trace to moderate levels ensures your water quality never misses a beat.
- • **Versatility for Every Source:** Perfect for municipal, groundwater, and surface water testing—your all-in-one solution for comprehensive water analysis.

## Overview

Hach DPD Free Chlorine Reagent Powder Pillows offer EPA-certified, precise chlorine measurement in a convenient 100-pack format. Designed for 10 mL samples, these pre-measured reagents cover a testing range of 0.02-2.00 mg/L Cl₂ and integrate seamlessly with Hach colorimeters and spectrophotometers. Ideal for drinking water, wastewater, and environmental monitoring, they empower professionals to maintain water safety with confidence and ease.

## Description

Simplify chlorine testing with Hach DPD Free Chlorine Reagent Powder Pillows, compatible with a 10 mL sample volume. This 100-pack of boric acid-free reagents is perfect for targeted or lower-volume water testing needs while meeting USEPA standards for accurate analysis in drinking water and wastewater. Reliable and Easy to Use Delivering a precise testing range of 0.02–2.00 mg/L Cl₂, each powder pillow is pre-measured to ensure consistency for various applications, such as municipal and groundwater monitoring or surface water studies. Paired with Hach instruments, these reagents offer an efficient solution for professionals seeking reliable results. Trusted for Everyday Testing This compact pack is ideal for labs, field-testing teams, or anyone conducting periodic water analysis. Coupled with Hach’s automatic delivery program, managing reagent reorders has never been easier. Confidently monitor water quality with Hach’s dependable chlorine reagent system.

Review: chlorine if our friend 🤣 - worked as the should , Hach has been around the water works industry for many years , of course their stuff is reliable
Review: Works Great for what we used it for ! - Works Great for what we used it for !

## Features

- USEPA CERTIFIED QUALITY – Trusted for drinking water and wastewater chlorine analysis using Hach Method 8021.
- ACCURATE CHLORINE MEASUREMENTS – Covers a 0.02-2.00 mg/L Cl₂ testing range to support reliable water monitoring.
- CONVENIENT 100-PACK – Pre-measured powder pillows designed for smaller-scale or routine testing applications.
- COMPATIBILITY YOU CAN RELY ON – Intended for seamless use with Hach colorimeters and spectrophotometers for effective results.
- VERSATILE APPLICATIONS – Ideal for testing groundwater, municipal water, and surface water quality.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00N3Z46TK |
| Best Sellers Rank | #11,929 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Analytical Reagents |
| Date First Available | August 28, 2014 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.06 ounces |
| Item model number | 2105569 |
| Manufacturer | HACH COMPANY |
| National Stock Number | 6550-01-456-8981 |
| Package Dimensions | 4.65 x 4.65 x 0.79 inches |

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/71XTha38PxL.jpg)

## Questions & Answers

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

**Q: when this item available ill be needing 5 packs of this?**
A: https://www.amazon.com/gp/product/B00N3Z46TK/ref=cx_skuctr_share?smid=A38UJTODLS8CHT

**Q: What are there in hach 2105569 dpd free chlorine reagent powder?**
A: 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.

**Q: Will these work with Hanna colorimeter?**
A: 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

## Customer Reviews

### ⭐⭐⭐⭐⭐ chlorine if our friend 🤣
*by R***R on December 1, 2025*

worked as the should , Hach has been around the water works industry for many years , of course their stuff is reliable

### ⭐⭐⭐⭐⭐ Works Great for what we used it for !
*by C***N on November 7, 2025*

Works Great for what we used it for !

### ⭐⭐⭐⭐⭐ Good Price
*by L***W on October 23, 2024*

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.

## Frequently Bought Together

- Hach DPD Free Chlorine Reagent Powder Pillows, 10 mL, Pack of 100, USEPA Accepted, Drinking Water and Wastewater Analysis, Boric Acid Free, 0.02-2.00 mg/L Cl₂, 2105569
- Hach DPD Total Chlorine Reagent Powder Pillows, 10 mL, (Pack of 100), Chlorine Testing, Water Quality Reagents, Reliable Chlorine Measurement, Convenient Chlorine Testing Pack, 2105669
- Hach DR300 Pocket Colorimeter, Chlorine, Free + Total, LR/HR, Waterproof, Portable, for Reliable Water Quality Testing, Easy-to-Use Interface, Large Backlit Display, with Carry Case, LPV445.97.00110

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-25*