---
product_id: 51869130
title: "Humboldts Secret Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 2.5 Gallon"
brand: "humboldts secret"
price: "146.49 OMR"
currency: OMR
in_stock: true
reviews_count: 8
category: "Humboldts Secret"
url: https://www.desertcart.com.om/products/51869130-humboldts-secret-base-a-and-b-liquid-hydroponic-fertilizer-complete
store_origin: OM
region: Oman
---

# 2.5 Gallons liquid formula Quick mix, no guesswork Balanced NPK + Ca & Mg Humboldts Secret Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 2.5 Gallon

**Brand:** humboldts secret
**Price:** 146.49 OMR
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock your garden’s secret weapon—grow smarter, not harder!

## Quick Answers

- **What is this?** Humboldts Secret Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 2.5 Gallon by humboldts secret
- **How much does it cost?** 146.49 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/51869130-humboldts-secret-base-a-and-b-liquid-hydroponic-fertilizer-complete)

## 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

- • **One Formula, Every Plant:** Supports healthy vegetative and flowering stages across all indoor and outdoor plants for consistent, visible results.
- • **Clean, pH-Balanced Formula:** Fast-dissolving, residue-free liquid that won’t clog lines—ideal for automated or hand watering systems.
- • **Complete Nutrient Spectrum:** Fuel your plants with premium NPK, calcium, and magnesium for vibrant growth and bold blooms.
- • **Effortless Feeding Routine:** Simplify your schedule with an easy 2-part mix—just combine Base A & B every watering, no guesswork needed.
- • **Universal Grow Compatibility:** Perfect for hydroponics, soil, coco coir, pots, and raised beds—trusted by home growers and pros alike.

## Overview

Humboldts Secret Base A & B is a 2.5-gallon liquid hydroponic fertilizer delivering a balanced blend of nitrogen, phosphorus, potassium, calcium, and magnesium. Designed for easy mixing and universal compatibility, it supports healthy vegetative growth and flowering in indoor and outdoor plants. Trusted by both hobbyists and commercial growers, this pH-balanced, water-soluble formula ensures clean feeding without residue, accelerating plant development with consistent weekly use.

## Description

desertcart.com : Humboldts Secret Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 2.5 Gallon : Patio, Lawn & Garden

Review: ... - Great product
Review: Came in great shape works as labeled - I’ve been using these for my “tomato’s” and honestly works great makes your plant grow like crazy if it’s your first time maybe try there stater kit

## Features

- Fuel Plants With Complete Nutrition: Humboldts Secret Base A and B delivers a full-spectrum formula with nitrogen, phosphorus, potassium, calcium, and magnesium. These premium plant nutrients support steady development, vibrant leaves, and bold blooms for vegetables, herbs, flowers, and indoor plants. Our formula is ideal for those who want lasting plant health and consistent feeding every single week.
- Simplify Your Feeding Routine: Our easy two-part system requires no complex schedules or guesswork. Just mix equal parts of Base A and B with every watering. This consistent approach supports better absorption and stronger plants across hydroponic gardening, coco coir, or traditional soil setups. Measuring and mixing take just seconds each time.
- Compatible With Any Grow Setup: Humboldts Secret nutrients are built for results in deep water culture, aquaponics, pots, raised beds, or coco. Our Base A and B are trusted as reliable hydroponic nutrients by both home growers and commercial cultivators. Works great with timers, tanks, or hand watering systems.
- Professional Results Without the Hassle: Our pH-balanced, fully water-soluble formula mixes fast and clean. It won’t clog lines or leave residue, making it ideal for hand-watering or automated systems. Humboldts Secret delivers dependable liquid plant food for every stage of plant development. Start seeing results in just a week.
- Support Every Plant With One Formula: From leafy greens and flowering plants to trees, herbs, and houseplants, our Base A and B system delivers the core nutrients all plants need. Use this proven fertilizer for indoor plants across your entire garden for consistent, visible results. Safe for hydroponics, soil, containers, or beds.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01IM88KIK |
| Best Sellers Rank | #5,073 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #199 in Garden Fertilizers |
| Brand | Humboldts Secret |
| Customer Reviews | 4.5 4.5 out of 5 stars (3,351) |
| Is Discontinued By Manufacturer | No |
| Item Form | Liquid |
| Item Weight | 20 pounds |
| Liquid Volume | 640 Fluid Ounces |
| Manufacturer | Humboldts Secret |
| Number of Items | 2 |
| Package Dimensions | 15 x 13.8 x 9.5 inches |
| Specific Uses For Product | Hydroponics |
| UPC | 648260730451 |
| Unit Count | 640 Count |

## Product Details

- **Brand:** Humboldts Secret
- **Item Form:** Liquid
- **Item Weight:** 320 Ounces
- **Liquid Volume:** 640 Fluid Ounces
- **Specific Uses For Product:** Hydroponics

## Images

![Humboldts Secret Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 2.5 Gallon - Image 1](https://m.media-amazon.com/images/I/41bOK6oMlXL.jpg)
![Humboldts Secret Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 2.5 Gallon - Image 2](https://m.media-amazon.com/images/I/510C2JvTEUL.jpg)
![Humboldts Secret Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 2.5 Gallon - Image 3](https://m.media-amazon.com/images/I/51YBL37pz7L.jpg)
![Humboldts Secret Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 2.5 Gallon - Image 4](https://m.media-amazon.com/images/I/51hV3prNsKL.jpg)
![Humboldts Secret Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 2.5 Gallon - Image 5](https://m.media-amazon.com/images/I/51ml9JNVKOL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ ...
*by K***R on January 15, 2026*

Great product

### ⭐⭐⭐⭐⭐ Came in great shape works as labeled
*by J***H on December 23, 2025*

I’ve been using these for my “tomato’s” and honestly works great makes your plant grow like crazy if it’s your first time maybe try there stater kit

### ⭐⭐⭐⭐⭐ Works well
*by A***R on January 8, 2026*

Great for my hydroponic Lettuce

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.om/products/51869130-humboldts-secret-base-a-and-b-liquid-hydroponic-fertilizer-complete](https://www.desertcart.com.om/products/51869130-humboldts-secret-base-a-and-b-liquid-hydroponic-fertilizer-complete)

---

*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-24*