---
product_id: 20375447
title: "2.77EC Conductivity Solution, 250 milliliters"
brand: "bluelab"
price: "€ 32.50"
currency: EUR
in_stock: true
reviews_count: 8
category: "Bluelab"
url: https://www.desertcart.at/products/20375447-2-77ec-conductivity-solution-250-milliliters
store_origin: AT
region: Austria
---

# 250 mL calibrated volume Refrigeration extends solution life 2.77 mS/cm precise conductivity 2.77EC Conductivity Solution, 250 milliliters

**Brand:** bluelab
**Price:** € 32.50
**Availability:** ✅ In Stock

## Summary

> 🧪 Stay ahead with precision—because your measurements deserve the best!

## Quick Answers

- **What is this?** 2.77EC Conductivity Solution, 250 milliliters by bluelab
- **How much does it cost?** € 32.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/20375447-2-77ec-conductivity-solution-250-milliliters)

## Best For

- bluelab enthusiasts

## Why This Product

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

## Key Features

- • **Easy Maintenance:** Pour back unused solution to avoid contamination and waste
- • **Compact & Portable:** 250 mL bottle fits perfectly in any lab or field kit
- • **Optimized Shelf Life:** Refrigerate after opening to maintain peak solution integrity
- • **Trusted Industry Standard:** Ranked #4 in Electrolyte Solutions with 4.8-star user approval
- • **Precision-Calibrated Conductivity:** Ensures accurate, repeatable EC measurements every time

## Overview

BlueLab 2.77EC Conductivity Solution is a 250 mL liquid standard designed for reliable and consistent calibration of conductivity meters. Highly rated and trusted in industrial and scientific settings, it requires refrigeration after opening to preserve accuracy and longevity.

## Description

desertcart.com: BlueLab 2.77EC Conductivity Solution, 250 milliliters : Industrial & Scientific

Review: It works great if you use fresh product. Keep it refrigerated. - Keep it refrigerated after opening the container! It works great, but it degrade after use if not keep cold. I would also poor the product back into the container after testing. Poor it out and use fresh material from the bottle.
Review: Good product - Works great!

## Features

- Built for durability and consistent performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00Z6SJ69C |
| Best Sellers Rank | #35,632 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Electrolyte Solutions |
| Brand | Bluelab |
| Brand Name | Bluelab |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 460 Reviews |
| Global Trade Identification Number | 09421024920425 |
| Item Form | Liquid |
| Item Type Name | industrial-products |
| Item Volume | 250 Milliliters |
| Item Weight | 0.45 Pounds |
| Manufacturer | iPower Distributor L&G |
| Package Information | Bottle |
| UPC | 791090263047 638888603435 |
| Volume | 250 Milliliters |

## Product Details

- **Brand:** Bluelab
- **Item Form:** Liquid
- **Item Volume:** 250 Milliliters
- **Item Weight:** 0.45 Pounds
- **Package Information:** Bottle

## Images

![2.77EC Conductivity Solution, 250 milliliters - Image 1](https://m.media-amazon.com/images/I/61Nx8pWVmQL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Is this 500 ml (as seen in title) or 250 ml (as seen in picture)?**
A: 500 ml

**Q: Is this solution the same just a smaller bottle? https://www.amazon.com/gp/product/b00vj1ti4s/ref=ox_sc_act_title_2?smid=aq9io7smv7bgn&th=1**
A: This is just the smaller bottle with 250 ml.

**Q: Can you clean uniy qith this**
A: I’d recommend the cleaning kit instead. That way you get the flat soft brush and the cleaning solution. This is only for calibration. 

Bluelab Conductivity Nutrient Probe Care Kit:
https://www.amazon.com/dp/B007QV8VA2/ref=cm_sw_r_cp_api_i_ncNuDbDHE7NKM

**Q: Im going to buy the bluelab ppm meter with this solution i was told. What does this solution do and when im not using the ppm pen do i need solutions?**
A: The 2.77 EC solution is to make sure that your PPM meter is reading correctly.  You do not need storage solution for this pen.

## Customer Reviews

### ⭐⭐⭐⭐⭐ It works great if you use fresh product. Keep it refrigerated.
*by D***H on August 1, 2025*

Keep it refrigerated after opening the container! It works great, but it degrade after use if not keep cold. I would also poor the product back into the container after testing. Poor it out and use fresh material from the bottle.

### ⭐⭐⭐⭐⭐ Good product
*by D***K on May 4, 2025*

Works great!

### ⭐⭐⭐⭐⭐ Good
*by S***N on March 10, 2026*

Good

## Frequently Bought Together

- BlueLab 2.77EC Conductivity Solution, 250 milliliters
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- Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow White

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-04-22*