---
product_id: 403990544
title: "2635300 SpecCheck Secondary Gel Standards Set, DPD Chlorine - LR"
brand: "hach"
price: "$1135.81"
currency: USD
in_stock: true
reviews_count: 3
category: "Hach"
url: https://www.desertcart.us/products/403990544-2635300-speccheck-secondary-gel-standards-set-dpd-chlorine-lr
store_origin: US
region: United States of America
---

# Stable solid gel, no prep NIST-traceable accuracy Fast & convenient testing 2635300 SpecCheck Secondary Gel Standards Set, DPD Chlorine - LR

**Brand:** hach
**Price:** $1135.81
**Availability:** ✅ In Stock

## Summary

> 🧪 Elevate your chlorine testing game with lab-grade precision—no prep, no hassle!

## Quick Answers

- **What is this?** 2635300 SpecCheck Secondary Gel Standards Set, DPD Chlorine - LR by hach
- **How much does it cost?** $1135.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/403990544-2635300-speccheck-secondary-gel-standards-set-dpd-chlorine-lr)

## 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

- • **Compact & Portable:** Lightweight 140g design fits effortlessly into your mobile testing kit for ultimate convenience.
- • **Seamless Compatibility:** Optimized for Hach Colorimeters and Spectrophotometers—plug and play confidence.
- • **Precision You Can Trust:** NIST-traceable for reliable instrument verification every time, whether in the field or lab.
- • **Long-Lasting Performance:** 2-year guaranteed stability ensures consistent results without frequent replacements.
- • **Instant Lab-Ready Standards:** Skip the prep—solid gel format means zero setup time, perfect for busy pros on the go.

## Overview

The Hach 2635300 SpecCheck Secondary Gel Standards Set offers fast, stable, and NIST-traceable DPD chlorine standards in a solid gel format. Designed for seamless use with Hach colorimeters and spectrophotometers, it guarantees 2 years of reliable performance, making it ideal for both lab and field instrument verification.

## Description

Hach 2635300 SpecCheck Secondary Gel Standards Set, DPD Chlorine - LR.

Review: Product was as described and was only a month old so the expiration dates were far enough out that I would have a long life use for the item.
Review: They expire less than a year from date of receipt

## Features

- Fast and Convenient
- Stable
- Use with Hach Colorimeters and Spectrophotometers
- Solid Gel Standards- No preparation required
- Ideal for instrument verification in the lab and in the field
- 2-year guaranteed performance
- NIST traceable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00N4028YE |
| ASIN  | B00N4028YE |
| Batteries Required? | No |
| Customer Reviews | 3.9 3.9 out of 5 stars (18) |
| Customer reviews | 3.9 3.9 out of 5 stars (18) |
| Date First Available | 27 March 2019 |
| Date First Available  | 27 March 2019 |
| Item Package Quantity | 1 |
| Item Weight | 140 g |
| Item model number | 2635300 |
| Item model number  | 2635300 |
| Manufacturer | HACH COMPANY |
| Manufacturer  | HACH COMPANY |
| Part number | 2635300 |
| Product Dimensions | 7.62 x 7.62 x 7.62 cm; 140 g |
| Product Dimensions  | 7.62 x 7.62 x 7.62 cm; 140 g |

## Images

![2635300 SpecCheck Secondary Gel Standards Set, DPD Chlorine - LR - Image 1](https://m.media-amazon.com/images/I/514vTfNBwPL.jpg)

## Questions & Answers

**Q: Hi, the product description says have a two-year shelf life from date of manufacture, how much time remains for expiration?**
A: We do not know the exact date until we know what lot # was shipped. We will guarantee at least 50% of the shelf life. CorinaHach Company

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by W***E on 13 December 2020*

Product was as described and was only a month old so the expiration dates were far enough out that I would have a long life use for the item.

### ⭐⭐ Review
*by J***H on 22 December 2021*

They expire less than a year from date of receipt

### ⭐⭐⭐⭐⭐ Review
*by R***. on 15 March 2019*

This product is used to perform monthly accuracy checks required by the state of Texas for Hatch Chlorine Testers. The product arrived on time and was well packaged.

## Frequently Bought Together

- Hach 2635300 SpecCheck Secondary Gel Standards Set, DPD Chlorine - LR
- Hach 2893300 SpecCheck Secondary Gel Standards Set, DPD Chlorine - HR
- Hach 2105569 DPD Free Chlorine Reagent Powder Pillows, 10 mL, (Pack of 100)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-16*