---
product_id: 21800176
title: "Hydroponic Essentials ESCAL87 8-Ounce Hydroponic Essentials Calibration Solution 7.0"
brand: "hydroponic essentials"
price: "€ 29.67"
currency: EUR
in_stock: true
category: "Lawn & Patio"
url: https://www.desertcart.be/products/21800176-hydroponic-essentials-escal87-8-ounce-hydroponic-essentials-calibration-solution-7
store_origin: BE
region: Belgium
---

# Hydroponic Essentials ESCAL87 8-Ounce Hydroponic Essentials Calibration Solution 7.0

**Brand:** hydroponic essentials
**Price:** € 29.67
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Hydroponic Essentials ESCAL87 8-Ounce Hydroponic Essentials Calibration Solution 7.0 by hydroponic essentials
- **How much does it cost?** € 29.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/21800176-hydroponic-essentials-escal87-8-ounce-hydroponic-essentials-calibration-solution-7)

## 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 0.7-pound. Available in 8-ounce. Measures 2-inch length by 2-inch width by 5-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 8-ounce

## Images

![Hydroponic Essentials ESCAL87 8-Ounce Hydroponic Essentials Calibration Solution 7.0 - Image 1](http://ecx.images-amazon.com/images/I/11iURAOrf6L.jpg)

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---

*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-05-17*