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Humboldts Secret

Humboldts Secret Tree Trunk - Silicate Additive - Advanced Nutrients - Helps Plants Flourish - Indoor Plant Food - Hydroponic Nutrients - Liquid Fertilizer (32 Ounce)

    • Based on 700 reviews
Condition: New
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Eligible for Return, Refund or Replacement within 30 days of receipt

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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Nov 26
Order within 20 hours and 21 minutes
Available payment plans shown during checkout

Size: 32 Ounce


Features

  • PREMIUM POTASSIUM SILICATE-BASED PRODUCT: Tree Trunk features advanced nutrients that will help the plants natural ability to strengthen its cell walls, resulting in thicker stalks and better branch development, as well as abiotic stress tolerance!
  • PLANT STRENGTH: Watch your plants grow by applying Tree Trunk liquid fertilizer. Hydroponic nutrients make our product suitable as quality indoor plant food.
  • ABIOTIC STRESS TOLERANCE: Tree Trunk is needed to ensure yield stability under abiotic stress and minimizes the environmental impacts on crop production.
  • COMPATIBLE IN ALL GROW MEDIUMS: This formula makes for an excellent indoor plant fertilizer suitable for all grow mediums. The usage rate is between 2.5-5ml/gallon (5ml is approx. 1 teaspoon) throughout the entire grow cycle.
  • THICK STALKS & BETTER BRANCH DEVELOPMENT: Our healthy liquid fertilizer will help your plants natural ability to achieve sturdy, thick silks as well as strong and abundant branches.

Brand: Humboldts Secret


Item Weight: 32 Ounces


Item Form: Liquid


Coverage: Medium


Liquid Volume: 32 Fluid Ounces


Is Discontinued By Manufacturer ‏ : ‎ No


Package Dimensions ‏ : ‎ 7.4 x 5.16 x 2.24 inches; 2 Pounds


Item model number ‏ : ‎ Secret Tree


Date First Available ‏ : ‎ August 22, 2017


Manufacturer ‏ : ‎ Humboldts Secret


Country of Origin ‏ : ‎ USA


Best Sellers Rank: #33,815 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #1,053 in Garden Fertilizers


#1,053 in Garden Fertilizers:


Customer Reviews: 4.6 4.6 out of 5 stars 700 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • I see the difference!
Size: 32 Ounce
The media could not be loaded. The branches on my 2024 grow are way more sturdy than my other grows, I give credit to the silica for that!
Reviewed in the United States on March 22, 2024 by Willie
    • It works
Size: 1 Gallon
Review Image by Daniel Thornburg Daniel Thornburg
I like it no dislikes
Reviewed in the United States on January 11, 2024 by Daniel Thornburg Daniel Thornburg
    • Needed
Size: 32 Ounce
Great quality, if you love your plants like then you want them to grow up big and strong. You can visually see the growth and girth .it's definitely performs to its name and allows your plant to absorb more water and nutrients
Reviewed in the United States on October 10, 2023 by Dave
    • It's silica for plants
Size: 1 Gallon
I've switched to mostly Humboldt. Overall, happy and very good results. Thick strong trunk and branches.
Reviewed in the United States on June 24, 2023 by Steven W. Kelley
    • Sprucing the Trees
Size: 32 Ounce
Easy to Use. Good Price.
Reviewed in the United States on December 26, 2023 by Barry Thurman
    • Works awesome!!!
Size: 32 Ounce
Adds that forgotten nute to them beautiful trees we all love 😉 Super easy to use, instructions are in clear plain English, makes like 380 gallons. Which is just awesome and means that one bottle lasts a LONG time.
Reviewed in the United States on April 7, 2022 by Christine Spaulding
    • It's amazing
Size: 32 Ounce
Review Image by ahmed shabazz ahmed shabazz
love it
Reviewed in the United States on July 8, 2023 by ahmed shabazz ahmed shabazz
    • The best
Size: 32 Ounce
I grew plants that I didn’t need to support the weight of the buds it makes the branches and plant strong enough to hold the weight
Reviewed in the United States on April 13, 2022 by Willie Parker

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