---
product_id: 67504685
title: "pH Buffer 4 & 7 Calibration Fluid Meter Solution Hydroponics (pH Buffer 4 and 7 300ml)"
price: "£14.60"
currency: GBP
in_stock: true
reviews_count: 8
url: https://www.desertcart.co.uk/products/67504685-ph-buffer-4-and-7-calibration-fluid-meter-solution-hydroponics
store_origin: GB
region: United Kingdom
---

# Optimal Growth Solution Hydroponic Essential Precise pH Calibration pH Buffer 4 & 7 Calibration Fluid Meter Solution Hydroponics (pH Buffer 4 and 7 300ml)

**Price:** £14.60
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate Your Hydroponics Game!

## Quick Answers

- **What is this?** pH Buffer 4 & 7 Calibration Fluid Meter Solution Hydroponics (pH Buffer 4 and 7 300ml)
- **How much does it cost?** £14.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/67504685-ph-buffer-4-and-7-calibration-fluid-meter-solution-hydroponics)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual pH Levels:** Versatile 4 & 7 pH options for tailored nutrient absorption.
- • **Quality Assurance:** Manufactured by Growth Technology, a trusted name in hydroponics.
- • **Precision Calibration:** Ensure your hydroponic systems are always on point with our pH Buffer solutions.
- • **User-Friendly Packaging:** Convenient 300ml size for easy handling and storage.
- • **Perfect for Professionals:** Elevate your gardening game and join the community of successful growers.

## Overview

The Growth Technology pH Buffer 4 & 7 Calibration Fluid is a must-have for hydroponic enthusiasts, providing precise calibration solutions in a convenient 300ml package. With dual pH levels, it ensures optimal nutrient absorption for your plants, all backed by the trusted quality of Growth Technology.

## Description

Review: Works well - Perfect
Review: Useful product - Well packaged item. Easy to store and use. We use it to calibrate a small ph tester for our dog urine daily check.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 17.3 x 11.2 x 5.7 cm; 690 g |
| ASIN | B07DHRWGL6 |

## Images

![pH Buffer 4 & 7 Calibration Fluid Meter Solution Hydroponics (pH Buffer 4 and 7 300ml) - Image 1](https://m.media-amazon.com/images/I/51HY+-BVlCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well
*by J***S on 6 January 2026*

Perfect

### ⭐⭐⭐⭐⭐ Useful product
*by M***D on 10 October 2025*

Well packaged item. Easy to store and use. We use it to calibrate a small ph tester for our dog urine daily check.

### ⭐⭐⭐⭐⭐ Good buffer solution
*by B***T on 25 May 2025*

Have used this for many years does the job

## Frequently Bought Together

- Growth Technology pH Buffer 4 & 7 Calibration Fluid Meter Solution Hydroponics (pH Buffer 4 and 7 300ml)
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**Shop now:** [https://www.desertcart.co.uk/products/67504685-ph-buffer-4-and-7-calibration-fluid-meter-solution-hydroponics](https://www.desertcart.co.uk/products/67504685-ph-buffer-4-and-7-calibration-fluid-meter-solution-hydroponics)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-24*