---
product_id: 38060187
title: "Atlas Scientific pH 4.00 Calibration Solution 125ml (4oz)"
brand: "atlas scientific environmental robotics"
price: "€ 2.16"
currency: EUR
in_stock: false
reviews_count: 6
url: https://www.desertcart.it/products/38060187-atlas-scientific-ph-4-00-calibration-solution-125ml-4oz
store_origin: IT
region: Italy
---

# 125ml volume ±0.02 pH accuracy NIST-certified quality Atlas Scientific pH 4.00 Calibration Solution 125ml (4oz)

**Brand:** atlas scientific environmental robotics
**Price:** € 2.16
**Availability:** ❌ Out of Stock

## Summary

> 🌟 Elevate Your pH Game with Precision Calibration!

## Quick Answers

- **What is this?** Atlas Scientific pH 4.00 Calibration Solution 125ml (4oz) by atlas scientific environmental robotics
- **How much does it cost?** € 2.16 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/38060187-atlas-scientific-ph-4-00-calibration-solution-125ml-4oz)

## Best For

- atlas scientific environmental robotics enthusiasts

## Why This Product

- Trusted atlas scientific environmental robotics brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long Shelf Life:** Enjoy a 2-year shelf life when stored properly.
- • **Precision Calibration:** Achieve accurate pH readings with ±0.02 pH accuracy at 25°C.
- • **NIST-Certified Quality:** Manufactured under strict conditions for reliable results.
- • **User-Friendly Solution:** Easy to use for both professionals and hobbyists alike.
- • **Versatile Applications:** Perfect for pools, hydroponics, aquariums, and more.

## Overview

The Atlas Scientific pH 4.00 Calibration Solution is a high-quality, NIST-certified solution designed for accurate calibration of pH testing equipment across various applications, including pools, hydroponics, and food processing. With a precision of ±0.02 pH at 25°C and a 2-year shelf life, this solution ensures reliable performance for both professionals and enthusiasts.

## Description

Full description not available

## Features

- PH CALIBRATION SOLUTION: pH 4.0 Calibration Solution is designed to accurately calibrate and testing equipment for pools, hydroponics, food processing, home aquariums, industrial processing equipment and pharmaceutical manufacturing, water and more quickly with your pH tester/meter. Ideal for testing pH balance of drinking water, pool, aquarium, RO system, spa or hydroponics.
- QUALITY AND STABILITY: Atlas Scientific’s pH test solution Standardized against NIST-certified references, each batch is manufactured under strict conditions to ensure quality and stability and is checked to verify calibration. Accurate to ±0.02 pH at 25°C.
- PH INDICATOR KIT: pH is actually a measurement of the activity of hydrogen ions in the sample. pH is a numeric scale used to specify the acidity or basicity of an aqueous solution. The pH value of a neutral solution is 7.0. Solutions with a pH value below 7.0 are considered acidic and solutions with pH value above 7.0 are basic (alkaline). This pH calibration test solution is perfect calibrating pH.
- FIRST AID MEASURES: Each of our pH 4.0 solutions are nontoxic in low quantities. Clean with soap and water if exposed to skin. Avoid ingestion and contact with eyes, In case of accident by inhalation remove casualty to fresh air and keep at rest. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. After contact with skin, wash immediately with plenty of water.
- SET INCLUDES: pH 4.0 Calibration Solution, 4oz bottle (250 ml) - 2 year shelf life at room temperature. Keep container tightly closed in a cool, well-ventilated place.

## Product Details

- **Brand:** Atlas Scientific Environmental Robotics
- **Manufacturer:** Atlas Scientific
- **UPC:** 857434005077

## Images

![Atlas Scientific pH 4.00 Calibration Solution 125ml (4oz) - Image 1](https://m.media-amazon.com/images/I/61LrE9SoMtL.jpg)
![Atlas Scientific pH 4.00 Calibration Solution 125ml (4oz) - Image 2](https://m.media-amazon.com/images/I/61twYeBpkzL.jpg)
![Atlas Scientific pH 4.00 Calibration Solution 125ml (4oz) - Image 3](https://m.media-amazon.com/images/I/61+k5nA-KLL.jpg)
![Atlas Scientific pH 4.00 Calibration Solution 125ml (4oz) - Image 4](https://m.media-amazon.com/images/I/71fAGG9FydL.jpg)
![Atlas Scientific pH 4.00 Calibration Solution 125ml (4oz) - Image 5](https://m.media-amazon.com/images/I/61Vnkl0CDuL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    "I rate the TranquiiX with a 5. I received ...
  

*by R***E on Reviewed in the United States on December 18, 2017*

"I rate the TranquiiX with a 5. I received this product Thursday so I’ve only taken it for 3 nights but it has definitely relaxed me and lowered my anxiety!!"

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great
  

*by J***O on Reviewed in the United States on February 20, 2020*

Just what I needed to check my water for acid conditions

### ⭐⭐ 2.0 out of 5 stars







  
  
    4.68 ph
  

*by H***I on Reviewed in the United States on April 6, 2017*

Sorry ,but it doesn' t calibrate at 4.00.  I tested under 6.86 and 7.00  also a sample packet ..  closet I got it to register was at 4.68  .  not satisfied

## Frequently Bought Together

- Atlas Scientific pH 4.00 Calibration Solution 125ml (4oz)
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**Shop now:** [https://www.desertcart.it/products/38060187-atlas-scientific-ph-4-00-calibration-solution-125ml-4oz](https://www.desertcart.it/products/38060187-atlas-scientific-ph-4-00-calibration-solution-125ml-4oz)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-01*