Humboldts Secret Starter Kit, Plant Fertilizer & Hydroponic Nutrients, XL
Humboldts Secret Starter Kit, Plant Fertilizer & Hydroponic Nutrients, XL
Fertilizers Plant Food
Product details
About This
- 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.
Overview
- Brand : Humboldts Secret
- Item Weight : 45 pounds
- Item Form : Liquid
- Liquid Volume : 576 fluid ounces
- Specific Uses For Product : Indoor and outdoor plant cultivation, various grow mediums including sand, gravel, coco mix, and hydroponics. Plant growth and potting. Indoor and outdoor plant cultivation, various grow mediums including sand, gravel, coco mix, and hydroponics. Plant growth and potting.
Good to know
Before setup
Follow the directions for this item.
Measure your space
Check the measurements for your selected size or variant.
Item-specific care
Use the care instructions supplied with this item.
Compare what matters to you
Use these prompts to compare options. This is guidance, not a product test or a comparison with another seller.
| Consideration | Look for | Ask yourself |
|---|---|---|
| Pots & planters | Shapes and sizes for the plants you already love. | How do I choose a planter size? |
| Stands & display | Make a little space for green at the right height. | Does a planter need a drainage hole? |
| Potting tools | Set up a thoughtful repotting station. | Are plants included with the planters? |
Questions before you choose
How do I compare planter sizes?
Compare the listed internal dimensions with your existing pot or planting plan. Exterior width alone may not describe the space inside.
What should I check about drainage?
Read the listing's drainage details and included-saucer information. Do not assume that every planter has a drainage hole or includes an inner pot.
Are plants or pictured accessories included?
Check the contents for your selected option. Plants and accessories shown in styling images are not assumed to be included.
What should I check before choosing a stand?
Compare its stated dimensions and load information with the pot you plan to use. Do not infer capacity or stability from a photograph.
Where can I check shipping information?
Read the Shipping policy and the shipping information shown for your order. Use the Contact page for questions about a listed shipping detail.
How do I check return or refund terms?
Read the Refund policy for applicable conditions and instructions. Use the Contact page for a question before arranging a return. This FAQ does not guarantee eligibility.
Can I request an order change or cancellation?
Use the Contact page and include your order reference and requested change. A request does not guarantee that the order can be changed or cancelled.
Where can I find tracking information or ask about my order?
Review your confirmation and any order updates for available tracking information. Use the Contact page with your order reference for clarification. Tracking is not assumed for every order.