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HumboldtsSecretSupplies

Humboldts Secret Flower Stacker – Best Flowering Formula for Bigger Harvests - Flowering Plant Food – Nutrient System for Potting Soil for Indoor & Outdoor Plants - 2.5 Gallons

Humboldts Secret Flower Stacker – Best Flowering Formula for Bigger Harvests - Flowering Plant Food – Nutrient System for Potting Soil for Indoor & Outdoor Plants - 2.5 Gallons

$337.50 USD
$337.50 USD
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Shipping calculated at checkout.

About This

  • INCREASE YIELDS BY UP TO 30%: Flower Stacker is a flowering additive designed to help your plants natural ability to increase yield and flower density. It’s an ideal nutrient solution for potting soil for indoor plants and outdoor plants.
  • PREMIUM INGREDIENTS: Our Humboldts Secret Flower Stacker is made with quality ingredients to ensure the development of your flowers. Perfectly suited for potting soil for indoor plants!
  • CONTAINS VITAMIN B1: Vitamin B1 has been touted as a cure-all for transplant shock. Labels typically claim that B1 supports conditions for better plant establishment and growth in a wide range of plants.
  • HIGH AMOUNTS OF PHOSPHORUS AND POTASSIUM: Application of phosphorus and potassium during the flower development phase improves soil/foliar nutrient conditions for better crop yields.
  • ADDED FLOWERING AGENT TO YOUR REGIME: Flowering boosters are particularly important in hydroponic and agricultural industries. Thousands of growers use Flower Stacker as an additional flowering agent to maximize their yields by harnessing the power of our clean-running formula.

Overview

  • Brand : Humboldts Secret
  • Item Form : Liquid
  • Coverage : 30
  • Liquid Volume : 2.5 Gallons
  • Specific Uses For Product : Hydroponic,Plant Food
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Gardeners Are Saying

  • Karen D ★★★★★

    Loved the wildflower seed mix—sprouted fast, and the pollinators showed up within a week. Great way to help the bees!

  • Laura S ★★★★★

    Pair text with an image to focus on your chosen product, collection, or blog post. Add details on availability, style, or even provide a review.

  • Robert H ★★★★★

    The cedar raised beds I ordered from GARDUCT smell amazing and feel rock‑solid. Absolutely worth every penny compared to the flimsy ones at big‑box stores.

Frequently Asked Questions

We want you to love your purchase.If you're not completely satisfied, you may return your unused item within 30 days of delivery.Please note: The item must be in its original condition and packaging. Return shipping costs are the responsibility of the customer unless the item arrived damaged or defective.To start a return, simply contact our support team with your order number.

Most orders are processed within 3–5 business days, and fully prepared for shipping within 4–6 business days.Standard shipping within the continental U.S. typically takes 3–8 business days, depending on your location.For made-to-order or specialty items, please allow a little extra time—we’ll always keep you updated with tracking info.

We’ll notify you within 48hours. You can wait for restock, choose a similar product, or request an immediate refund—your choice.

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