---
product_id: 358658646
title: "2.77EC Conductivity Solution, 250 milliliters"
brand: "bluelab"
price: "€ 42.39"
currency: EUR
in_stock: true
reviews_count: 5
category: "Bluelab"
url: https://www.desertcart.gr/products/358658646-2-77ec-conductivity-solution-250-milliliters
store_origin: GR
region: Greece
---

# 2.77 EC precise calibration 250 ml premium solution volume 100% manufacturer warranty 2.77EC Conductivity Solution, 250 milliliters

**Brand:** bluelab
**Price:** € 42.39
**Availability:** ✅ In Stock

## Summary

> 🧪 Calibrate with Confidence — Because Precision is Power

## Quick Answers

- **What is this?** 2.77EC Conductivity Solution, 250 milliliters by bluelab
- **How much does it cost?** € 42.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/358658646-2-77ec-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 Storage & Safety:** Store cool, away from sunlight, with secure lids to maintain solution integrity.
- • **Proven User Satisfaction:** Rated 4.7/5 by professionals who rely on accuracy and consistency.
- • **Trusted Brand Reliability:** Backed by BlueLab’s 100% manufacturer warranty for peace of mind.
- • **Precision Calibration Guaranteed:** Ensure your EC/ppm probes deliver flawless readings every time.
- • **Optimal Volume for Consistent Use:** 250 ml bottle designed for long-lasting, reliable calibration sessions.

## Overview

BlueLab 2.77EC Conductivity Solution is a 250 ml liquid calibration standard designed to verify and maintain the accuracy of EC/ppm probes. Trusted by professionals and backed by a 100% manufacturer warranty, it ensures your measurements are precise and reliable. Ideal for industrial and biometric monitoring applications, this solution requires proper storage to preserve its effectiveness.

## Description

The EC2.77 solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solutions should be stored in a cool place out of direct sun and heat. Please keep out of reach of children. They should be stored with the lids securely tightened.

Review: Good product
Review: Works as expected!

## Features

- Meters and solutions from Hydro farm
- Backed by 100% manufacturer's warranty
- Reference or checking solution to ensure you have adequately cleaned the EC/ppm probe
- Brand: BlueLab

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00Z6SJ69C |
| Brand | Bluelab |
| Brand Name | Bluelab |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 254 Reviews |
| Global Trade Identification Number | 09421024920425 |
| Item Form | Liquid |
| Item Type Name | industrial-products |
| Item Weight | 0.45 Pounds |
| Item form | Liquid |
| 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:** 204 g
- **Package information:** Bottle

## Images

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

## 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

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



### ⭐⭐⭐⭐⭐ Works as expected!
*by A***P on 14 November 2022*



### ⭐⭐⭐⭐⭐ Blue lab is top notch, and their calibration solution is no different
*by L***D on 8 January 2024*



## Frequently Bought Together

- BlueLab 2.77EC Conductivity Solution, 250 milliliters
- Bluelab pH 4.0 & 7.0 Calibration Solution Kit - pH Meter & pH Pen Calibration for Balanced Nutrient Solution NIST Traceable | Hydroponics, Gardening & Growing Tents (500 ml/ 16.9 Fl Oz Each)
- Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow White

---

## 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.gr/products/358658646-2-77ec-conductivity-solution-250-milliliters](https://www.desertcart.gr/products/358658646-2-77ec-conductivity-solution-250-milliliters)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-02-24*