Flower Stacker

Name: Humboldts Secret Supplies Flower Stacker - Flower Stacker
Brand: Humboldts Secret Supplies
SKU: 15788674515010
Price: 16.97 USD
Availability: InStock
Rating: 4.9444 (13 reviews)

4.5 (1,234)

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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.

4.9

18 ratings

Works very good and as you see yields are exceptional, using Humboldt secret nutrients in my air cube watering system has worked out Great for my needs 👍

Conrad · December 15, 2025

Great product

Matthew · October 20, 2025

All of these products are great

Louis · September 29, 2025

Humboldts Secret Supplies

4.7 (465)

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