---
product_id: 642180101
title: "VIVOSUN pH Up & pH Down Kit, 1 Quart Each, pH Control Kit for Balanced pH Level and Optimal Nutrient Uptake, pH Adjuster Liquid Fertilizer for All Plants and All Growing Systems"
brand: "vivosun"
price: "£45.40"
currency: GBP
in_stock: true
reviews_count: 8
category: "Vivosun"
url: https://www.desertcart.co.uk/products/642180101-vivosun-ph-up-and-ph-down-kit-1-quart-each
store_origin: GB
region: United Kingdom
---

# Universal for all plants & systems Highly concentrated formula Precise pH control 5.5-6.5 VIVOSUN pH Up & pH Down Kit, 1 Quart Each, pH Control Kit for Balanced pH Level and Optimal Nutrient Uptake, pH Adjuster Liquid Fertilizer for All Plants and All Growing Systems

**Brand:** vivosun
**Price:** £45.40
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your grow game—because your plants deserve precision.

## Quick Answers

- **What is this?** VIVOSUN pH Up & pH Down Kit, 1 Quart Each, pH Control Kit for Balanced pH Level and Optimal Nutrient Uptake, pH Adjuster Liquid Fertilizer for All Plants and All Growing Systems by vivosun
- **How much does it cost?** £45.40 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/642180101-vivosun-ph-up-and-ph-down-kit-1-quart-each)

## Best For

- vivosun enthusiasts

## Why This Product

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

## Key Features

- • **Precision pH Mastery:** Maintain the ideal 5.5-6.5 pH range for peak nutrient uptake and unstoppable plant growth.
- • **Effortless pH Management:** Simple, repeatable use with digital meters or test strips keeps your garden thriving with minimal hassle.
- • **Power-Packed Concentration:** Just a few drops deliver long-lasting, economical pH adjustment—efficiency meets potency.
- • **Pure & Premium Ingredients:** Crafted in the USA with commercial-grade potassium hydroxide & phosphoric acid—no fillers, no compromises.
- • **All-Growth-Stage Compatibility:** Perfectly balanced for hydroponics, soil, coco coir, aeroponics, and every growing medium you trust.

## Overview

The VIVOSUN pH Up & pH Down Kit offers a premium, highly concentrated liquid formula designed to precisely balance nutrient solution pH between 5.5 and 6.5. Made in the USA with commercial-grade potassium hydroxide and phosphoric acid, this kit supports all plants and growing systems—hydroponics, soil, coco coir, and more—ensuring optimal nutrient uptake, vigorous root development, and enhanced crop yields with easy, repeatable application.

## Description

Product description Vivosun Nutrient Regime BASE A(4-0-1)&B(1-4-2) NutriBoost 0-0-1 Cal+Mag+Iron 2-0-0 Bloom Juice 0-6-4 pH Up & pH Down Kit

Review: Recommend - I use this to keep my soil at a 6.5ph and these products have helped grow lots of produce.
Review: Undamaged and sealed - Undamaged and sealed

## Features

- Optimal pH Regulation: This pH control kit enables precise pH adjustment of nutrient solutions, maintaining the optimal range of 5.5 to 6.5 for flourishing plant development; A balanced pH optimizes nutrient availability and uptake, fosters vigorous root growth, enhances disease resistance, and improves water absorption, ultimately increasing crop yields and quality
- Premium Ingredients: The pH Up contains high-quality, commercial-grade potassium hydroxide, while the pH Down boasts high-quality, commercial-grade phosphoric acid; Meticulously formulated in the USA from natural, superior-grade materials, both products are 100% water-soluble, free from additives and dyes, ensuring excellent quality and purity
- Highly Concentrated Formula: These pH adjusters boast a potent, highly concentrated formula, allowing a few drops to effectively modify pH levels; Their robust strength ensures long-lasting usage, providing an economical and efficient solution for precise pH adjustment
- Versatile Applications: These pH buffer supplements are compatible with all plants, all growth stages, and all plant nutrients; This versatile solution is designed for use in hydroponics, aeroponics, coco coir, DWC (deep water culture), soil, and any other growing medium or system
- Easy to Use: Begin by testing the nutrient solution or water with a digital pH meter or pH test strips; Then, cautiously introduce small increments from this kit to adjust the pH level; Repeat during each watering or nutrient preparation for consistent pH balance, fostering an optimal growing environment for plants

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CT88YRZP |
| Best Sellers Rank | #45,904 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,207 in Garden Fertilizers |
| Brand | VIVOSUN |
| Brand Name | VIVOSUN |
| Coverage | 56 square feet |
| Customer Reviews | 4.7 out of 5 stars 118 Reviews |
| Included Components | potassium hydroxide |
| Item Form | Liquid |
| Item Weight | 5.2 Pounds |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | VIVOSUN |
| Mixing Ratio | 1:100 |
| Model Number | VSN-PHUDK32 |
| Number of Items | 2 |
| Number of Packs | 2 |
| Part Number | 2 |
| Specific Uses For Product | Plant Growth |
| Target Species | all plants |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** VIVOSUN
- **Item Form:** Liquid
- **Item Weight:** 5.16 Pounds
- **Liquid Volume:** 32 Fluid Ounces
- **Specific Uses For Product:** Plant Growth

## Images

![VIVOSUN pH Up & pH Down Kit, 1 Quart Each, pH Control Kit for Balanced pH Level and Optimal Nutrient Uptake, pH Adjuster Liquid Fertilizer for All Plants and All Growing Systems - Image 1](https://m.media-amazon.com/images/I/61XJKe+LjyL.jpg)
![VIVOSUN pH Up & pH Down Kit, 1 Quart Each, pH Control Kit for Balanced pH Level and Optimal Nutrient Uptake, pH Adjuster Liquid Fertilizer for All Plants and All Growing Systems - Image 2](https://m.media-amazon.com/images/I/717JY+SKoBL.jpg)
![VIVOSUN pH Up & pH Down Kit, 1 Quart Each, pH Control Kit for Balanced pH Level and Optimal Nutrient Uptake, pH Adjuster Liquid Fertilizer for All Plants and All Growing Systems - Image 3](https://m.media-amazon.com/images/I/71fLY+br3-L.jpg)
![VIVOSUN pH Up & pH Down Kit, 1 Quart Each, pH Control Kit for Balanced pH Level and Optimal Nutrient Uptake, pH Adjuster Liquid Fertilizer for All Plants and All Growing Systems - Image 4](https://m.media-amazon.com/images/I/81SG5GmegML.jpg)
![VIVOSUN pH Up & pH Down Kit, 1 Quart Each, pH Control Kit for Balanced pH Level and Optimal Nutrient Uptake, pH Adjuster Liquid Fertilizer for All Plants and All Growing Systems - Image 5](https://m.media-amazon.com/images/I/81R5IZhVjcL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Recommend
*by S***S on November 12, 2025*

I use this to keep my soil at a 6.5ph and these products have helped grow lots of produce.

### ⭐⭐⭐⭐⭐ Undamaged and sealed
*by B***E on April 30, 2026*

Undamaged and sealed

### ⭐⭐⭐⭐⭐ Works as Intended
*by I***N on October 25, 2024*

So far, this product works as intended. The price point is fair. No leaking during transport as the container’s were packaged properly. Please follow instructions prior to use and measure pH accordingly prior to administering to organic life.

## Frequently Bought Together

- VIVOSUN pH Up & pH Down Kit, 1 Quart Each, pH Control Kit for Balanced pH Level and Optimal Nutrient Uptake, pH Adjuster Liquid Fertilizer for All Plants and All Growing Systems
- VIVOSUN Cal+Mag+Iron (2-0-0), Calcium, Magnesium & Iron Supplement, Liquid Nutrient Fertilizer for All Plants, Concentrated Plant Food for Soil/Soilless Cultivation, Hydroponics, 1 Quart

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-17*