Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer
Best two-part nutrient system for budget-conscious hydroponic growers.
Elevate your hydroponic gardening with the Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer. This highly-rated, two-part nutrient system is designed to nourish your plants through both their vegetative and flowering stages, ensuring robust growth indoors or outdoors. Customers consistently praise its effectiveness, contributing to a strong satisfaction rating. It offers a budget-friendly approach to achieving excellent results in your hydroponic setups, making it a reliable choice for dedicated growers.
$39.97
Owner Satisfaction
4.6
/ 5
Category Rank
1940
/ 4448
#1940 in Fertilizers
Price vs Category Average
-35%
Below average
Coverage Area
48.16
/ sq ft
Who it's for
- Hydroponic gardeners seeking consistent and vigorous plant development
- Busy growers needing a quick and sediment-free nutrient solution
- Versatile cultivators using soil, coco, or hydroponic systems
Who should skip it
- Budget-conscious growers prioritizing low-cost nutrient systems
- Beginners intimidated by strict mixing requirements and protocols
- Advanced growers requiring specialized boosters for maximum yields
Performance breakdown
Nutrient Versatility
Supports both vegetative and flowering stages with a single system.
Hydroponic Compatibility
Engineered specifically for the unique demands of liquid hydroponic setups.
Application Ease
Liquid concentrate format simplifies mixing and ensures consistent dosing.
Growth Efficacy
Consistently delivers robust development for vegetables, flowers, and houseplants.
Environmental Adaptability
Performs reliably across both indoor and outdoor growing environments.
Concentrate Efficiency
Provides substantial coverage area per bottle for long-term garden maintenance.
Key Specs
Coverage Area
48.16 sq ft
Target Plant Types
Vegetables, Flowers, Houseplants
Fertilizer Form
Liquid Concentrate
Water Soluble
No
Organic Certified
No
Season of Application
Supports Vegetative and Flowering Stages
Features
- Supports vegetative and flowering growth
- Optimized for hydroponic systems
- High customer satisfaction rating
- Reliable and effective nutrient delivery
- Suitable for indoor and outdoor use
- Budget-friendly gardening solution
What customers say
Customers consistently highlight the exceptional quality and effectiveness of Humboldts Secret A and B fertilizer. Growers report significantly healthier, more vigorous plants and impressive yields across various hydroponic setups. The two part system is praised for its straightforward application, making nutrient management surprisingly easy even for newer users. While it sits at a higher price point, the consensus is that the reliable, high performance results deliver excellent value for serious cultivators. This product simplifies feeding while maximizing growth potential.
Know before you buy
While specifically optimized for hydroponic systems, this two-part formula can be used for soil-grown plants as well. Just ensure you adjust your dilution ratios carefully to avoid over-fertilizing your soil.
Yes, the A & B system is designed to support your plants from the initial vegetative stage all the way through the flowering phase. You will need to adjust the mixing ratios according to the growth stage of your specific plant.
No, this is a synthetic liquid concentrate and is not organic certified. It is formulated for high-performance nutrient delivery in controlled environments.
Store the bottles in a cool, dark place away from direct sunlight and extreme temperatures. Keeping the caps tightly sealed will prevent evaporation and maintain the potency of the nutrients.
It is designed to be versatile and works well with most standard hydroponic systems, including deep water culture, drip irrigation, and ebb and flow setups. Because it is a liquid concentrate, it mixes easily into your reservoir.
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$40