--- product_id: 106036644 title: "Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 8 Ounce Set" brand: "humboldts secret" price: "€ 48.18" currency: EUR in_stock: true reviews_count: 8 category: "Humboldts Secret" url: https://www.desertcart.hr/products/106036644-base-a-and-b-liquid-hydroponic-fertilizer-complete-hydroponic-nutrients store_origin: HR region: Croatia --- # Complete A & B nutrient spectrum Liquid formula for fast absorption Precise 1:1 mixing ratio Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 8 Ounce Set **Brand:** humboldts secret **Price:** € 48.18 **Availability:** βœ… In Stock ## Summary > 🌱 Grow smarter, not harder β€” the secret to thriving plants in every drop! ## Quick Answers - **What is this?** Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 8 Ounce Set by humboldts secret - **How much does it cost?** € 48.18 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/106036644-base-a-and-b-liquid-hydroponic-fertilizer-complete-hydroponic-nutrients) ## 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 - β€’ **Trusted by Thousands:** Join over 3,300+ gardeners who rate it 4.5 stars for delivering rapid, visible growth results. - β€’ **Universal Compatibility:** Perfect for hydroponics, soil, coco coir, and all grow setupsβ€”indoor or outdoor, small or commercial scale. - β€’ **Clean & Clog-Free Formula:** pH-balanced and fully water-soluble to keep your irrigation lines spotless and plants thriving. - β€’ **Effortless Weekly Feeding:** Simplify your routine with a no-guesswork 1:1 mix for consistent plant nourishment every watering. - β€’ **All-in-One Nutrient Powerhouse:** Supports vigorous vegetative growth and vibrant flowering with balanced NPK plus calcium and magnesium. ## Overview Humboldts Secret Base A & B is a professional-grade, liquid hydroponic fertilizer set delivering a complete nutrient profile with nitrogen, phosphorus, potassium, calcium, and magnesium. Designed for simplicity and versatility, it supports all plant types across indoor and outdoor environments with a straightforward 1:1 mixing ratio. Trusted by thousands of gardeners for over a decade, this pH-balanced, water-soluble formula ensures fast absorption, clean irrigation, and consistent weekly feeding for robust vegetative growth and vibrant blooms. ## Description Simple Feeding, Better Gardens Clear directions and consistent quality, no guesswork. Trusted by Gardeners Trusted by gardeners for over 10 years. Professional-grade plant nutrition, simple and consistent, from indoor plants to outdoor gardens. Trusted by Gardeners Trusted by gardeners for over 10 years. Professional-grade plant nutrition, simple and consistent, from indoor plants to outdoor gardens. Starter Kit & Essentials Visit the Store Starter Kit & Essentials Visit the Store Plant Food & Growth Visit the Store Plant Food & Growth Plant Care & Protection Visit the Store Plant Care & Protection Soil & Water Care Visit the Store Soil & Water Care Outdoor Essentials Visit the Store Outdoor Essentials How did we get our start? Humboldts Secret was created by gardeners, for gardeners, with a simple goal, make high-quality plant nutrients affordable and easy to use, so more people can grow with confidence. What makes our products unique? Humboldts Secret products are made with carefully selected ingredients and manufactured in our California facility, for consistent quality you can count on. What problem are we solving? We make plant nutrition simpler, clearer, and easier to follow, so gardeners can spend less time guessing and more time growing. How did we get our start? Humboldts Secret was created by gardeners, for gardeners, with a simple goal, make high-quality plant nutrients affordable and easy to use, so more people can grow with confidence. What makes our products unique? Humboldts Secret products are made with carefully selected ingredients and manufactured in our California facility, for consistent quality you can count on. What problem are we solving? We make plant nutrition simpler, clearer, and easier to follow, so gardeners can spend less time guessing and more time growing. Review: Impressive nutes! - 3 weeks old Sunday and almost 1ft tall and wide. Need 3rd tent now. Have huge stalks already and exploding with growth. Better than last nutes I used on 1st 2 grow seasons. Love it. Review: Very good for growth and yield - Works well only problem being out of stock often ## Features - Packaging Update: You may receive previous or updated packaging during our transition. Same formula, same performance. 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 | B07NBKJYDK | | Best Sellers Rank | #9,474 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #340 in Garden Fertilizers | | Brand | Humboldts Secret | | Brand Name | Humboldts Secret | | Coverage | Medium | | Customer Reviews | 4.5 out of 5 stars 3,386 Reviews | | Item Form | Liquid | | Item Weight | 1 Pounds | | Liquid Volume | 16 Fluid Ounces | | Manufacturer | Humboldts Secret | | Mixing Ratio | 1:1 | | Model Number | 15214014529602 | | Part Number | SFHFW-155 | | Specific Uses For Product | Plant Growth | | Target Species | all plants | | UPC | 706199757335 | | Unit Count | 8 Fluid Ounces | ## Product Details - **Brand:** Humboldts Secret - **Item Form:** Liquid - **Item Weight:** 8 Ounces - **Liquid Volume:** 16 Fluid Ounces - **Specific Uses For Product:** Hydroponics ## Images ![Base A & B Liquid Hydroponic Fertilizer | Complete Hydroponic Nutrients for Indoor and Outdoor Plants | Supports Healthy Vegetative Growth and Flowering Stage | 8 Ounce Set - Image 1](https://m.media-amazon.com/images/I/71WyKv-5XfL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Impressive nutes! *by J***X on April 10, 2026* 3 weeks old Sunday and almost 1ft tall and wide. Need 3rd tent now. Have huge stalks already and exploding with growth. Better than last nutes I used on 1st 2 grow seasons. Love it. ### ⭐⭐⭐⭐⭐ Very good for growth and yield *by K***L on March 27, 2026* Works well only problem being out of stock often ### ⭐⭐⭐⭐⭐ Great Fertilizers *by D***R on March 6, 2026* It is a great grow and bloom fertilizer. I'm using all of their products for an inside grow. ## Frequently Bought Together - Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer - World's Best Nutrient System – Hydroponic Nutrients for Outdoor, Indoor Plants – Supports Vegetative and Flowering Stages of Plants - General Hydroponics pH Control Kit For A Balanced Nutrient Solution - VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter Β± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/106036644-base-a-and-b-liquid-hydroponic-fertilizer-complete-hydroponic-nutrients](https://www.desertcart.hr/products/106036644-base-a-and-b-liquid-hydroponic-fertilizer-complete-hydroponic-nutrients) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-14*