Humboldts Secret Starter Kit 2 XL – 8 Bottle Professional Nutrient ...
Humboldts Secret Starter Kit 2 XL – 8 Bottle Set (832 oz Total)
Professional-Grade Nutrient Bundle for Serious Growers
The Starter Kit 2 XL includes everything in our popular Starter Kit 2, but in larger, high-yield sizes—ideal for growers who want to maximize performance across multiple cycles. Whether you're growing in soil, coco, or hydroponic systems, this all-in-one bundle provides a complete nutrient foundation plus powerful additives to enhance structure, flavor, and yield.
This kit features 8 bottles of Humboldts Secret’s most trusted formulas, including a full gallon each of core nutrients and premium additives, plus quarts of Golden Tree and Plant Enzymes to supercharge your grow.
What's Included:
- Base A & 1 Gallon Base B (Gallon) – The world’s best base nutrient system for vigorous growth and bloom
- Flower Stacker (Gallon) – Promotes bigger blooms and improved flower density
- Sweet & Sticky (Gallon)– Provides carbs and energy to enhance aroma, taste, and microbial activity
- Tree Trunk (Gallon) – Silica-based formula to strengthen plant cell walls and improve resilience
- CalMag & Iron (Gallon) – Corrects nutrient deficiencies and supports optimal development
- Golden Tree (Quart) – All-in-one additive for increased yield, quality, and photosynthetic activity
- Plant Enzymes (Quart) – Breaks down dead root matter and improves nutrient uptake
Perfect For:
- Medium to large grow operations
- Growers who want to eliminate guesswork
- Soil, coco, and hydroponic applications
