---
product_id: 21800148
title: "Hydroponic Essentials  ESCALQT4 1-Quart Hydroponic Essentials Calibration Solution 4.01"
brand: "hydroponic essentials"
price: "221 zł"
currency: PLN
in_stock: true
category: "Lawn & Patio"
url: https://www.desertcart.pl/products/21800148-hydroponic-essentials-escalqt4-1-quart-hydroponic-essentials-calibration-solution-4
store_origin: PL
region: Poland
---

# Hydroponic Essentials  ESCALQT4 1-Quart Hydroponic Essentials Calibration Solution 4.01

**Brand:** hydroponic essentials
**Price:** 221 zł
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Hydroponic Essentials  ESCALQT4 1-Quart Hydroponic Essentials Calibration Solution 4.01 by hydroponic essentials
- **How much does it cost?** 221 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/21800148-hydroponic-essentials-escalqt4-1-quart-hydroponic-essentials-calibration-solution-4)

## Best For

- hydroponic essentials enthusiasts

## Why This Product

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

## Description

Essentials pH buffer is a known solution of a certain pH value designed to test the accuracy of pH meters and used to measure the pH of a nutrient solution. Essentials buffer use two values of 4 and 7pH to calibrate pH testers as they are at the outer reaches of the range of pH where you work in hydroponics i.e. 5.5-6.5. This product weighs 2.3-pound. Available in 1-quart. Measures 3-1/3-inch length by 3-1/3-inch width by 9-inch height.

## Features

- Essentials ph buffer is a known solution of a certain ph value designed to test the accuracy of ph meters
- Also used to measure the ph of a nutrient solution
- Essentials buffer use two values of 4 and 7ph to calibrate ph testers
- Work in hydroponics i.e. 5.5-6.5
- Available in 1-quart

## Images

![Hydroponic Essentials  ESCALQT4 1-Quart Hydroponic Essentials Calibration Solution 4.01 - Image 1](http://ecx.images-amazon.com/images/I/21hgfh6Z3sL.jpg)

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**Shop now:** [https://www.desertcart.pl/products/21800148-hydroponic-essentials-escalqt4-1-quart-hydroponic-essentials-calibration-solution-4](https://www.desertcart.pl/products/21800148-hydroponic-essentials-escalqt4-1-quart-hydroponic-essentials-calibration-solution-4)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-04-27*