Humboldts Secret Starter Kit Pack XL | Indoor and Outdoor Plant Fertilizer and Hydroponic Nutrients | Base A & B, CalMag and Iron, Golden Tree, Flower Stacker, Plant Enzymes | Complete Garden System

Features

• Packaging Update: You may receive previous or updated packaging during our transition. Same formula, same performance. Complete Nutrition From Seedling To Harvest - The Humboldts Secret starter kit includes six essential products to support plant health from start to finish: Base A & B (1 gallon each), Flower Stacker (1 gallon), CalMag & Iron (1 gallon), Golden Tree (32 ounce), and Plant Enzymes (32 ounce). Whether you're just starting or refining your routine, this complete system helps streamline feeding and encourage vigorous, full-cycle plant development with ease.
• Balanced Feeding For Strong, Steady Growth: This concentrated liquid plant food mixes into 500 to 600 gallons of nutrient-rich solution for dependable plant care. Each formula delivers nitrogen, phosphorus, potassium, calcium, and magnesium to strengthen roots, support structure, and promote faster, more stable growth. Use across the full plant life cycle for consistent nutrition, noticeable results, and long-term health.
• Made For Any Grow Medium Or Setup: Designed for versatility, these hydroponic nutrients work across hydro systems, potting soil, and coco coir. The blends mix easily, apply cleanly, and perform reliably in any environment. Whether you're growing indoors or outdoors, in small containers or larger beds, this kit gives you control, flexibility, and measurable outcomes without complication.
• Effortless Feeding For Indoor Plant Success: Feed houseplants, herbs, leafy greens, and flowers with this simple and effective indoor plant food liquid. It supports root health, vibrant color, and leaf strength with minimal effort required. Ideal for use in grow tents, shelf gardens, or windowsill pots, this formula helps maintain steady indoor plant growth while saving time and simplifying daily care.
• Reliable Support Through Every Growth Phase: This plant fertilizer liquid fits seamlessly into your daily grow routine and supports plants during both vegetative and flowering stages. Whether you're tending a few potted plants or managing a larger setup, it delivers consistent nutrition from week to week and helps maintain long-term plant strength, balance, and development without added complexity.