---
product_id: 32343221
title: "Humboldts Secret Flower Stacker | 0-7-5 Bloom Booster with Vitamin B1 | High Phosphorus Potassium Flowering Nutrients | Potting Soil Hydroponics Coco | Indoor & Outdoor Plants | 32 Ounce"
brand: "humboldts secret"
price: "$86.97"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/32343221-humboldts-secret-flower-stacker-0-7-5-bloom-booster-vitamin
store_origin: US
region: United States of America
---

# Vitamin B1 boosts stress resilience 0-7-5 NPK for peak bloom pH stable, clean running formula Humboldts Secret Flower Stacker | 0-7-5 Bloom Booster with Vitamin B1 | High Phosphorus Potassium Flowering Nutrients | Potting Soil Hydroponics Coco | Indoor & Outdoor Plants | 32 Ounce

**Brand:** humboldts secret
**Price:** $86.97
**Availability:** ✅ In Stock

## Summary

> 🌸 Unlock your garden’s full bloom potential with Humboldt’s Secret Flower Stacker!

## Quick Answers

- **What is this?** Humboldts Secret Flower Stacker | 0-7-5 Bloom Booster with Vitamin B1 | High Phosphorus Potassium Flowering Nutrients | Potting Soil Hydroponics Coco | Indoor & Outdoor Plants | 32 Ounce by humboldts secret
- **How much does it cost?** $86.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/32343221-humboldts-secret-flower-stacker-0-7-5-bloom-booster-vitamin)

## Best For

- humboldts secret enthusiasts

## Why This Product

- Trusted humboldts secret brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Application:** Mixes quickly, stays pH stable, and prevents clogging in soil, coco, or hydroponics.
- • **Stress-Proof Your Plants:** Vitamin B1 enhances transplant recovery and helps plants thrive under environmental stress.
- • **Boost Yields by up to 30%:** Maximize your harvest with denser, tighter flower clusters indoors or out.
- • **Precision Bloom Nutrition:** High phosphorus and potassium fuel rapid bud growth and richer resin profiles.
- • **Flexible Dosing for Any Scale:** 32 oz covers 118-940 gallons, perfect for hobbyists and pros alike.

## Overview

Humboldt's Secret Flower Stacker is a 32-ounce liquid bloom booster with a 0-7-5 NPK ratio enriched with Vitamin B1. Designed for indoor and outdoor plants in soil, coco, or hydroponic systems, it enhances flower density and aroma by increasing yields up to 30%. Its pH-stable, clean-running formula prevents buildup and clogging, while flexible dosing supports growers of all scales.

## Description

Humboldts Secret Flower Stacker | 0-7-5 Bloom Booster with Vitamin B1 | High Phosphorus Potassium Flowering Nutrients | Potting Soil Hydroponics Coco | Indoor & Outdoor Plants | 32 Ounce

## Features

- Bigger Denser Harvests: Our humboldts secret flower stacker 0 7 5 bloom additive helps plants increase yields by up to 30%, building tighter nodes and denser flower sites on indoor and outdoor plants in potting soil for standout aroma, rich color, and reliable bag appeal across every cycle.
- Peak Bloom Nutrition: This concentrated flowering fertilizer delivers high phosphorus and potassium exactly during the bloom window to drive rapid bud formation, fuller calyx stacking, and enhanced resin and essential oils while supporting efficient nutrient uptake and balanced plant metabolism.
- Simple Clean Application: Begin in week 3 of flower and use with every or every other watering; this dependable flower booster mixes fast, stays pH stable, and runs clean in soil, coco, hydroponics, and aquaponics, preventing buildup, line clogging, and downtime so your schedule stays consistent.
- Stronger Stress Resilience: Our balanced flowering nutrients include Vitamin B1 to support transplant recovery, early establishment, and overall vigor, helping plants handle training, heat, and light intensity swings with confidence for a fuller, more uniform canopy from top to bottom.
- Flexible Dosing And Compatibility: Designed to pair seamlessly with humboldt secret nutrients, the 32 ounce bottle mixes approximately 118 to 940 gallons depending on dilution, giving precise control for any plant count and grow method while preserving clean reservoirs and predictable results.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Liquid Volume | 128 Fluid Ounces |
| Item Weight | 32 Ounces |
| Specific Uses For Product | Hydroponic,Plant Food |
| Target Species | Plants |
| Coverage | 30 |
| Item Form | Liquid |

## Product Details

- **Brand:** Humboldts Secret
- **Item Weight:** 32 Ounces
- **Item Form:** Liquid
- **Liquid Volume:** 32 Fluid Ounces
- **Specific Uses For Product:** Hydroponic,Plant Food

## Images

![Humboldts Secret Flower Stacker | 0-7-5 Bloom Booster with Vitamin B1 | High Phosphorus Potassium Flowering Nutrients | Potting Soil Hydroponics Coco | Indoor & Outdoor Plants | 32 Ounce - Image 1](https://m.media-amazon.com/images/I/61JUsK+UaDL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: what's in it?**
A: Phosphate, soluble potash, vitamin b-1

**Q: Is this product organic**
A: Hi, this would not be considered an organic product.

**Q: would this work on cannabis**
A: Works great for cannabis. Just follow the instructions I grow in 5 gallon hydroponic pots. I start adding flower stacker the 1st sign of buds. If you add too much to start it will burn and stunt your plants.

**Q: can this be used with Bud Candy and micro chum  from?**
A: Yes, just be cautious as Flower Stacker is very concentrated

## Frequently Bought Together

- Humboldts Secret Flower Stacker – Best Flowering Formula for Bigger Harvests - Flowering Plant Food - Nutrient System for Potting Soil for Indoor Plants & Outdoor Plants - 1 Quart
- Humboldts Secret Sweet & Sticky – Carbohydrate and Saccharide Energy Source – Enhance Aroma and Flavor of Plants – Potting Soil for Indoor Plants – Energy for Plants – 32 Ounces
- Humboldts Secret Golden Tree: Best Plant Food for Plants & Trees - All-in-One Concentrated Additive - Vegetables, Flowers, Fruits, Lawns, Roses, Tomatoes & More (16 Ounce)

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**Shop now:** [https://www.desertcart.us/products/32343221-humboldts-secret-flower-stacker-0-7-5-bloom-booster-vitamin](https://www.desertcart.us/products/32343221-humboldts-secret-flower-stacker-0-7-5-bloom-booster-vitamin)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-14*