---
product_id: 403990544
title: "Hach 2635300 SpecCheck Secondary Gel Standards Set, DPD Chlorine - LR"
brand: "hach"
price: "€ 1123.44"
currency: EUR
in_stock: true
reviews_count: 3
category: "Hach"
url: https://www.desertcart.hr/products/403990544-hach-2635300-speccheck-secondary-gel-standards-set-dpd-chlorine-lr
store_origin: HR
region: Croatia
---

# Fast & convenient use NIST traceable accuracy No prep, solid gel standards Hach 2635300 SpecCheck Secondary Gel Standards Set, DPD Chlorine - LR

**Brand:** hach
**Price:** € 1123.44
**Availability:** ✅ In Stock

## Summary

> 🧪 Elevate your chlorine testing game—accuracy meets convenience!

## Quick Answers

- **What is this?** Hach 2635300 SpecCheck Secondary Gel Standards Set, DPD Chlorine - LR by hach
- **How much does it cost?** € 1123.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/403990544-hach-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 & Lightweight:** Just 140g and 7.6cm³—perfect for busy professionals on the move.
- • **Long-Term Reliability:** 2-year guaranteed performance keeps your workflow uninterrupted.
- • **Seamless Compatibility:** Optimized for Hach colorimeters and spectrophotometers—plug and play.
- • **Precision You Can Trust:** NIST traceable for unmatched accuracy in every test.
- • **Instant Lab & Field Ready:** Skip the prep—solid gel standards deliver reliable results on the go.

## Overview

The Hach 2635300 SpecCheck Secondary Gel Standards Set offers fast, stable, and preparation-free verification of DPD chlorine levels. Designed for seamless use with Hach colorimeters and spectrophotometers, it ensures NIST-traceable accuracy and reliable performance guaranteed for 2 years, making it ideal for both lab and field applications.

## Description

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

Review: I would buy again - 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: Expensive - 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 | 4.2 4.2 out of 5 stars (18) |
| Customer reviews | 4.2 4.2 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

![Hach 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

### ⭐⭐⭐⭐⭐ I would buy again
*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.

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

They expire less than a year from date of receipt

### ⭐⭐⭐⭐⭐ SpecChek works!
*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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**Shop now:** [https://www.desertcart.hr/products/403990544-hach-2635300-speccheck-secondary-gel-standards-set-dpd-chlorine-lr](https://www.desertcart.hr/products/403990544-hach-2635300-speccheck-secondary-gel-standards-set-dpd-chlorine-lr)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-12*