Humboldts Secret A & B Liquid Hydroponics Fertilizer - Nutrients for Outdoor, Indoor Plants (2.5 Gallon Set) w/Golden Tree – All-in-One Concentrated Additive – Vegetables, Flowers, & More (64 oz)

★★★★★ 4.7 54 reviews

$360.99
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Management number 210763987 Release Date 2026/04/02 List Price $144.40 Model Number 210763987
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Elevate your plant cultivation with the dynamic duo of Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer and Humboldts Secret Golden Tree. The A & B Bundle, a pinnacle in nutrient systems, provides a complete macronutrient profile for plant nutrition. Crafted with precision, our signature blend encompasses essential elements such as Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, and more, ensuring a comprehensive feed for rapidly growing flowering plants and indoor plants. This two-part system is not only easy to use but also versatile, excelling in hydroponics across various cultivation mediums. Whether nurturing indoor plants in potting soil, exploring aquaponics setups, or cultivating in coco coir, our cutting-edge system delivers exceptional performance. The commercial-grade quality of our base nutrients makes them garden-friendly, fostering the optimal health of plants and flowers. The formula, 100% water-soluble and pH-balanced, lays the foundation for robust plant life, catering to the needs of home gardeners and commercial growers alike. On the other side of botanical excellence lies Humboldts Secret Golden Tree, the best plant food for a myriad of plants and trees. A versatile all-in-one concentrated additive, Golden Tree thrives when paired with a well-balanced fertilizer. Its transformative power extends beyond improving soil and foliar nutrient conditions, aiding in better crop yields and supporting overall plant health. Golden Tree embraces all growth methods, showcasing compatibility in hydroponics, aeroponics, coco, DWC, soil, and every conceivable method. Distinguished by its essential nutrients, the Golden Tree formula contains a harmonious mixture of kelp, carbs, and minerals. A testament to its strength, a 64-ounce solution can yield up to 896 gallons of an easy-to-use additive, making it a professional-quality fertilizer capable of transforming any home and garden into a thriving oasis with the touch of a green thumb.

  • Packaging Update: You may receive previous or updated packaging during our transition. Same formula, same performance. This Bundle Includes - Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer (2.5 Gallon Set) & Humboldts Secret Golden Tree (64 Ounce)
  • Comprehensive Macronutrient Profile for Flourishing Plants: The Base A & B Bundle offers a complete macronutrient profile, including Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, and more. Tailored for rapidly growing flowering and indoor plants, this signature blend provides essential nutrients for robust plant development.
  • Simple and Versatile Two-Part System: Humboldts Secret presents an easy-to-use two-part system with the Base A & B Bundle. Apply both bottles at equal rates throughout the entire growth cycle, from vegetative to flowering stages, recommended for every watering. This hydroponics excellence extends across all cultivation mediums, making it ideal for indoor plants, aquaponics setups, coco coir cultivations, and more.
  • Universal Plant Nutrition: Golden Tree is an all-in-one additive suitable for any plant, tree, flower, or bush. It enhances soil and foliar nutrient conditions, promoting better crop yields and supporting overall plant nutrition, establishment, nutrient uptake, and abiotic stress tolerance. The formula comprises a mixture of kelp, carbs, and minerals, allowing it to be seamlessly used in conjunction with other additives and fertilizers or as the only additive for comprehensive plant nourishment.
  • Versatile and Efficient: Humboldts Secret Golden Tree is grow-method compatible, designed to thrive in all mediums, including hydroponics, aeroponics, coco, DWC, soil, and more. The small yet potent 64 ounce solution yields up to 896 gallons of an easy-to-use additive, making it a professional-quality fertilizer that transforms home and garden, fostering a green thumb for all.
Coverage Medium
Item Form Liquid
Brand Name Humboldts Secret
Item Weight 64 Ounces
Mixing Ratio 1:1
Liquid Volume 64 Fluid Ounces
Target Species vegetables, flowers, and more
Specific Uses For Product Plant Growth, Indoor Plants, Outdoor Plants, Flowers, Trees, Houseplants, Hydroponics, Aeroponics, Coco, DWC, Soil

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