---
product_id: 732745029
title: "Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil and Hydroponics Systems"
brand: "humboldts secret"
price: "$13577.25"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/732745029-humboldts-secret-ph-down-liquid-ph-plant-balancer-for-soil
store_origin: US
region: United States of America
---

# Multi-medium use: soil & hydroponics Concentrated liquid formula Balances pH 5.5-6.5 optimally Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil and Hydroponics Systems

**Brand:** humboldts secret
**Price:** $13577.25
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock your garden’s secret weapon for unstoppable growth!

## Quick Answers

- **What is this?** Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil and Hydroponics Systems by humboldts secret
- **How much does it cost?** $13577.25 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/732745029-humboldts-secret-ph-down-liquid-ph-plant-balancer-for-soil)

## Best For

- humboldts secret enthusiasts

## Why This Product

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

## Key Features

- • **Pure & Safe Ingredients:** 100% dye-free, additive-free commercial-grade phosphate ensures clean, eco-friendly plant care.
- • **Trusted Grower Expertise:** Formulated by California-based experts with 10+ years in professional horticulture.
- • **Ultra-Concentrated Formula:** Up to 25% stronger than competitors—just a few drops last longer and save costs.
- • **Maximize Nutrient Absorption:** Precisely lowers pH to ideal 5.5-6.5 range for peak nutrient uptake.
- • **Versatile Cultivation Compatibility:** Perfect for soil, hydroponics, coco, and DWC systems—one solution for all your plants.

## Overview

Humboldts Secret pH Down is a premium, concentrated liquid solution designed to precisely lower and balance pH levels between 5.5 and 6.5, optimizing nutrient absorption for plants grown in soil, hydroponics, coco, and DWC systems. Made from high-quality, dye-free commercial-grade phosphate, it delivers up to 25% more strength than leading competitors, ensuring cost-effective, eco-friendly plant care trusted by professional growers and home cultivators alike.

## Description

Product description               Are you dreaming of a green garden that prosperes every day? Now this dream will be real. Here's the secret to maximizing your plant nutrients and prosperity. Whether soil, hydroponic cultivation, or coco cultivation, Humboldts pH Down Solution makes leaves more eco-friendly and better High quality ingredients No dyes or additives and are not harmful to plants. This 100% water-soluble and garden-friendly pH reducer is made to provide just the right amount of effect for your plants - balances pH levels, optimizes growing culture and maximizes plant nutrients. The result? Brighten up the green of your dreams! Powerful Solution Concentrated formula allows you to nourish more plants than normal. This pH downphosphate solution is a partner that optimizes plant growth conditions without exceeding budget limits. Cultivation Compatibility This solution is suitable for a variety of growing cultivation, plants, trees, flowers, bushes, grass, etc. Greet your rapidly growing plants from thick leaves to lush fields. From a trusted manufacturer of plant care supplies with over 10 years of experience in gardening, Humboldts Secret has become the best synonymous with plant care. The company is a leading plant nutrients manufacturer and supplies the U.S. hydroponical/agricultural community. California based manufacturers boast a team of leading agricultural and gardening experts. What makes this product great? Safe and effective ● Balance and Optimize nutrient intake ● Cost-effective ● Easy to use ● Compatible with a variety of growing mediums ● Perfect for home cultivators and commercial cultivators to liven up your gardening game with Humboldts Secret pH Down Solution. Watch the plants prosperity!                  Directions               Test your nutrition solution with a digital pH meter or pH tester strip and use a few drops when pH down to balance the nutrition solution               
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                    Safety Warning               Wear protective clothing and glasses when handling Avoid skin and eyes. Keep out of reach of children             See more

## Features

- 【IMPROVE NURITURE ABSORPTION】Humboldts Secret pH Down Plant Nutrients Balancer is designed to effectively lower the pH level to create the perfect pH level balanced for the growth of plants and maximize nutrient intake and help prosperity
- Reduce Cost - Simply add a few drops of this concentrated solution to maximize the effectiveness. This means that one bottle will last for a very long time. Improve power while minimizing the increase in gardening costs! The Humboldts Secret pH Down is up to 25% stronger than some of the leading competitors. That means a little bit of help!
- Balanced nutrition and optimal pH: Most plants enjoy 5.5 to 6.5 pH. This pH reducer is made of high quality commercial grade phosphate and is 100% dye-free and additive-free, making it perfect for your favorite plants. To use, simply test your nutrition solution with a digital pH meter or pH tester strip and use a few drops when pH down to balance the nutrition
- MULTI-PURPOSE: Use pH down for plants growing in all growth, including soil, hydroponic cultivation, coco, and DWC. The pH Down is an essential part of the ph control supplies you need for a prosperous garden
- EXPERT MADE: Humboldts Secret products are designed by Growers for Growers. High quality pH down from the finest ingredients produced in California based factories for reliable results

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HS Supplies, LLC |
| Item Weight | 1.16 Kilograms |
| Product Dimensions | 12.7 x 5.08 x 19.05 cm; 1.16 kg |
| Size | 32 Ounce |
| Size of Pet | Medium |
| Special Features | Organic |
| Specific Uses For Product | Plant Growth |
| Batteries Included | No |
| Batteries Required? | No |
| Item Dimensions LxWxH | 12.7 x 5.1 x 19.1 cm |

## Product Details

- **Brand:** Humboldts Secret
- **Item Form:** Liquid
- **Liquid Volume:** 32 Fluid Ounces
- **Specific Uses For Product:** Plant Growth
- **Manufacturer:** HS Supplies, LLC

## Images

![Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil and Hydroponics Systems - Image 1](https://m.media-amazon.com/images/I/61fdm2mWMZL.jpg)
![Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil and Hydroponics Systems - Image 2](https://m.media-amazon.com/images/I/81PiEX3i0ZL.jpg)
![Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil and Hydroponics Systems - Image 3](https://m.media-amazon.com/images/I/81LuZ0j8uBL.jpg)
![Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil and Hydroponics Systems - Image 4](https://m.media-amazon.com/images/I/91a84Y8NbgL.jpg)
![Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil and Hydroponics Systems - Image 5](https://m.media-amazon.com/images/I/8164huqxEoL.jpg)

## Frequently Bought Together

- Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil & Hydroponics Growing System
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-10*