---
product_id: 636606993
title: "Hanna Instruments HI7004L 4. 01 pH Calibration Buffer Solution, 500mL Bottle"
brand: "hanna instruments"
price: "€ 139.66"
currency: EUR
in_stock: false
reviews_count: 5
category: "Hanna Instruments"
url: https://www.desertcart.fr/products/636606993-hanna-instruments-hi7004l-4-01-ph-calibration-buffer-solution-500ml
store_origin: FR
region: France
---

# Hanna Instruments HI7004L 4. 01 pH Calibration Buffer Solution, 500mL Bottle

**Brand:** hanna instruments
**Price:** € 139.66
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Hanna Instruments HI7004L 4. 01 pH Calibration Buffer Solution, 500mL Bottle by hanna instruments
- **How much does it cost?** € 139.66 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/636606993-hanna-instruments-hi7004l-4-01-ph-calibration-buffer-solution-500ml)

## Best For

- hanna instruments enthusiasts

## Why This Product

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

## Description

Hanna Instruments HI7004L 4. 01 pH Calibration Buffer Solution, 500mL Bottle : desertcart.in: Industrial & Scientific

Review: Helps calibrate the PH level because the machine I ordered wasn’t working after using this it was good, and price worthy
Review: I have used Hanna calibration buffer solutions for years with no problems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00RYPG6XE |
| Are batteries included? | No |
| Best Sellers Rank | #249,625 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #54 in Chemical Buffers |
| Country of Origin | USA |
| Customer Reviews | 4.7 4.7 out of 5 stars (63) |
| Date First Available | 9 June 2017 |
| Item Weight | 590 g |
| Item model number | HI7004/1L |
| Manufacturer | Generic |
| Model number | HI7004/1L |
| Package Dimensions | 19.81 x 7.19 x 7.11 cm; 590 g |

## Images

![Hanna Instruments HI7004L 4. 01 pH Calibration Buffer Solution, 500mL Bottle - Image 1](https://m.media-amazon.com/images/I/41PgPFl0ZOL.jpg)
![Hanna Instruments HI7004L 4. 01 pH Calibration Buffer Solution, 500mL Bottle - Image 2](https://m.media-amazon.com/images/I/81SkaEo9SpL.jpg)

## Questions & Answers

**Q: Is it normal for the ph of the buffer to change over time? My teika ph meter read 4.01 one day, 4.17 the next, and 4.27 the next.**
A: I have the same problem and have not figured it out yet, even with a new meter. Sorry I couldn't be more help

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***L on 23 June 2025*

Helps calibrate the PH level because the machine I ordered wasn’t working after using this it was good, and price worthy

### ⭐⭐⭐⭐⭐ Review
*by R***S on 27 March 2020*

I have used Hanna calibration buffer solutions for years with no problems.

### ⭐⭐⭐⭐⭐ Review
*by J***N on 2 December 2016*

Works well it's reliable has a long shelf life. I've been using Hanna calibration solutions for years now and I have nothing but good to say and report about it

## Frequently Bought Together

- Hanna Instruments HI7004L 4.01 pH Calibration Buffer Solution, 500mL Bottle
- WLR Industries Hanna HI7007L pH 7 Buffer Solution - pH 7.01
- Hanna Instruments HI70300L pH/ORP Electrode Storage Solution, 500mL (16.9oz) Bottle

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.fr/products/636606993-hanna-instruments-hi7004l-4-01-ph-calibration-buffer-solution-500ml](https://www.desertcart.fr/products/636606993-hanna-instruments-hi7004l-4-01-ph-calibration-buffer-solution-500ml)

---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-03-02*