Humboldts Secret Starter Kit Pack - Complete Plant Nutrients

In this review of the Humboldts Secret Starter Kit Pack the bottom line is simple: it is a practical, all-in-one nutrient set for growers who want a straightforward feeding program from seedling to harvest. The kit bundles Base A & B, Flower Stacker, CalMag & Iron, Golden Tree and Plant Enzymes so a single purchase covers basic macro and micro needs, root support and flowering boosts. For hobbyists and small-scale indoor or outdoor gardeners looking for reliable, concentrated liquid nutrition, this kit simplifies feeding while delivering visible plant health improvements.

Key Features

• Complete kit: Includes Base A & B, Flower Stacker, CalMag & Iron, Golden Tree and Plant Enzymes so growers can follow a single, continuous program from vegetative growth into flowering.
• Concentrated mixing: The liquids mix into roughly 125 to 150 gallons of nutrient solution, offering long-lasting use from the quarts and smaller bottles included.
• Balanced nutrition: Formulations provide key elements like nitrogen, phosphorus, potassium, calcium and magnesium to support strong stems, root development and overall plant structure.
• Versatile application: Designed to work in hydroponic systems, potting soil and coco coir so users can apply the same feeding plan across different grow media and setups.
• Flower support: Flower Stacker is included to boost bloom development, helping plants transition into the flowering phase without needing separate specialty products.
• Plant health aids: Golden Tree and Plant Enzymes are aimed at root vigor and nutrient uptake to improve long-term health and reduce buildup in systems.

Who It's For

This kit is best for hobby growers, indoor gardeners and small-scale outdoor planters who want a single, coherent nutrient program without piecing together individual components. It suits people growing herbs, leafy greens, houseplants and flowering ornamentals who value ease of use and consistent results across the full life cycle.

It may be less appealing for complete beginners who prefer single-solution one-bottle feeds with printed schedules on the label, or for very large commercial operations that require bulk concentrated formulas or custom nutrient mixing. Also, those sensitive to product odor should note some customers reported a noticeable smell.

Pros & Cons

Pros

• Comprehensive set covers vegetative and flowering phases so fewer purchases are needed to run a full cycle.
• Concentrated formulas mix into many gallons, which offers good per-volume value for small growers.
• Works across hydro, soil and coco so users can switch media without changing nutrient lines.
• Customers report strong plant responses such as vigorous new growth and large, healthy flowers.

Cons

• Some users note a distinct smell from the liquids that can be off-putting in small indoor spaces.
• Smaller bottle sizes may feel expensive for growers who want to feed many plants or large beds frequently.

Specifications

Brand	Humboldts Secret
Included items	Base A & B quart set, Flower Stacker quart, CalMag & Iron quart, Golden Tree 16 ounce, Plant Enzymes 8 ounce
Form	Concentrated liquid nutrients
Coverage	Mixes into approximately 125 to 150 gallons of solution
Compatible media	Hydroponics, potting soil, coco coir
Use case	Seedling to harvest full-cycle feeding

Our Verdict

The Humboldts Secret Starter Kit Pack is a sensible, practical choice for growers who want an all-in-one nutrient system that handles vegetative growth through flowering. It provides balanced macro and micro support, root health aids and bloom boosters in a compact bundle, making it good value for hobbyists and indoor gardeners who need reliable, repeatable results without technical fuss.

Frequently Asked Questions

Can this kit be used in soil and hydroponics?
Yes. The formulations are designed to work across hydro systems, potting soil and coco coir, so the same kit can be used when switching media.

How much solution will the kit make?
The concentrated liquids are intended to mix into roughly 125 to 150 gallons of nutrient solution depending on dosing, giving extended use from the included quarts and small bottles.

Is this suitable for flowering plants?
Yes. Flower Stacker and the complete nutrient set are included to support the flowering stage as well as vegetative growth.