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HEAVY 16 Foliar - Green Thumb Depot
HEAVY 16 Foliar Micronutrient Leaf Spray

HEAVY 16 Foliar Micronutrient Leaf Spray

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SKU: H161034FS4

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$109.95
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HEAVY 16 Foliar

HEAVY 16 Foliar is a professional plant additive designed to enhance plant nutrition and correct calcium/magnesium imbalances. Its net neutral, carbon-based formula strengthens foliage, improves tissue integrity, and promotes vigorous growth. Easily absorbed through leaves, it moves through the vascular system to optimize canopy health, photosynthesis, and overall plant resilience, helping plants thrive under stress and achieve higher yields.

  • Features & Benefits
  • Product Specifications
  • What is included?
  • Warranty Policy

HEAVY 16 Foliar – Canopy Strength and Tissue Integrity

Heavy 16 Foliar improves canopy structure, elastic tissue, and nutrient delivery throughout the plant. Its calcium-rich formula supports cell membrane integrity, ensuring strong, healthy growth and enhanced metabolic efficiency.

  • Supports calcium and magnesium balance in plants.
  • Enhances tissue elasticity and membrane structure.
  • Promotes vigorous growth and photosynthesis.
  • Easily absorbed through foliage for fast results.
  • Compatible with foliar-applied compost teas, oils, and pest control products.
  • Ideal for pre-stress application: transplanting, cuttings, temperature extremes.

Stronger Foliage, Healthier Plants

HEAVY 16 Foliar ensures plants develop resilient tissue and robust canopies, helping them withstand stress while maximizing nutrient utilization and yield. Its rapid absorption and synergistic formula allow for efficient foliar feeding and optimized plant health.

Why HEAVY 16?

HEAVY 16 is known for hand-crafted, science-driven nutrient formulations built on strict nutritional chemistry and biological principles. Their brewed, aged products prioritize nutrient availability, system compatibility, and simplicity—allowing growers to achieve professional results with fewer bottles and greater consistency.

Why Buy From Us?

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

Excellent 4.8 out of 5 based on 1,247 reviews
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Reviewer
Jim D

Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I'll definitely order from them again
Reviewer
Glenn Appleton

The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we're starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Reviewer
Freddie

Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Reviewer
Kar

←
→

FAQ Section

What is HEAVY 16 Foliar used for?
HEAVY 16 Foliar is used to enhance plant nutrition, strengthen foliage, and correct calcium/magnesium imbalances.
How is HEAVY 16 Foliar applied?
Spray directly onto plant foliage for absorption. It can be combined with other foliar-applied products like teas, oils, and pest control sprays.
When should I use HEAVY 16 Foliar?
Use before stressful events, such as transplanting, taking cuttings, or during extreme temperatures, to support plant resilience.
Is HEAVY 16 Foliar compatible with other products?
Yes, it can be safely combined with foliar-applied compost teas, oils, surfactants, sulfur/fungicides, and pest control products.
Does HEAVY 16 Foliar improve photosynthesis?
Yes, by strengthening tissue and supporting nutrient delivery, Foliar enhances photosynthesis and overall plant metabolism.
What makes this foliar spray unique?
Its net neutral, carbon-based chemistry allows rapid absorption and synergistic use with other foliar treatments for maximum plant benefit.
How does Foliar help with calcium/magnesium issues?
The calcium in Foliar bridges cell membrane components, correcting nutrient imbalances and strengthening tissue structure.

Specifications

HEAVY 16 Foliar
Product Name HEAVY 16 Foliar
SKU H161034FS4
Size 1 Gallon
NPK (Nitrogen) 1
NPK (Potassium) 2
UPC 736211384935

What is included?

It includes:

  • HEAVY 16 Foliar
  • Factory-Sealed Container
  • Manufacturer Product Label & Usage Information

Warranty Policy

Please check out the manufcaturers website for Warranty related issues.

HEAVY 16 Foliar Micronutrient Leaf Spray

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HEAVY 16 Foliar

HEAVY 16 Foliar is a professional plant additive designed to enhance plant nutrition and correct calcium/magnesium imbalances. Its net neutral, carbon-based formula strengthens foliage, improves tissue integrity, and promotes vigorous growth. Easily absorbed through leaves, it moves through the vascular system to optimize canopy health, photosynthesis, and overall plant resilience, helping plants thrive under stress and achieve higher yields.

Product Overview

Specifications

What's Included?

Warranty & Returns

Product Overview

Heavy 16 Foliar improves canopy structure, elastic tissue, and nutrient delivery throughout the plant. Its calcium-rich formula supports cell membrane integrity, ensuring strong, healthy growth and enhanced metabolic efficiency.

Key Features:
1. Calcium magnesium balance
2. Better soil yieStronger cell structurelds
3. Boosts growth photosynthesis
4. Fast foliar absorption
5. Foliar compatible inputs
6. Pre-stress protection

wetanddry
wetanddry

Core Benefits and Performance Features of HEAVY 16 Foliar

HEAVY 16 Foliar is designed to elevate plant health through advanced foliar nutrition, delivering fast-acting calcium and magnesium support exactly where plants need it most. Its neutral, carbon-based chemistry allows for rapid absorption through leaf tissue, strengthening cell structure, improving elasticity, and enhancing metabolic function. By supporting photosynthesis, canopy strength, and stress resilience, Foliar helps reduce recurring deficiencies while improving overall crop quality and yield potential across all cultivation environments.

Rapid Canopy Absorption

Cal-Mag Correction

Cell Strength & Flexibility

Pre-Stress Shield

Available in Different Sizes

How to Use

1. Seedlings/Cuttings: Use a light spray mist; avoid soaking tender tissue.

2. General Use: Spray foliage evenly to a light, uniform coverage.

3. Timing: Apply during low-light periods (early morning / lights-off).

4. Pre-Stress Use: Spray before transplanting, taking cuttings, or temperature swings.

5. Tank Mix: Compatible with compost teas, oils, surfactants, and many IPM products.

6. Mix Order: Add Foliar to water first, then add other inputs.

7. Shake Well: Agitate product and spray tank before use.

8. Test First: Do a small test spray when combining products.

9. Clean & Store: Clean sprayer after use; store cool and dark.

Why Heavy 16

HEAVY 16 is known for hand-crafted, science-driven nutrient formulations built on strict nutritional chemistry and biological principles. Their brewed, aged products prioritize nutrient availability, system compatibility, and simplicity, allowing growers to achieve professional results with fewer bottles and greater consistency.

wetanddry
wetanddry
wetanddry

Why Choose Us

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

wetanddry

Customer Reviews


Trusted by authentic customer reviews from verified buyers worldwide.
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Jim D
Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I’ll definitely order from them again
Glenn Appleton
The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we’re starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Freddie
Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Kar
←
→


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FAQ Section

What is HEAVY 16 Foliar used for?
HEAVY 16 Foliar is used to enhance plant nutrition, strengthen foliage, and correct calcium/magnesium imbalances.
How is HEAVY 16 Foliar applied?
Spray directly onto plant foliage for absorption. It can be combined with other foliar-applied products like teas, oils, and pest control sprays.
When should I use HEAVY 16 Foliar?
Use before stressful events, such as transplanting, taking cuttings, or during extreme temperatures, to support plant resilience.
Is HEAVY 16 Foliar compatible with other products?
Yes, it can be safely combined with foliar-applied compost teas, oils, surfactants, sulfur/fungicides, and pest control products.
Does HEAVY 16 Foliar improve photosynthesis?
Yes, by strengthening tissue and supporting nutrient delivery, Foliar enhances photosynthesis and overall plant metabolism.
What makes this foliar spray unique?
Its net neutral, carbon-based chemistry allows rapid absorption and synergistic use with other foliar treatments for maximum plant benefit.
How does Foliar help with calcium/magnesium issues?
The calcium in Foliar bridges cell membrane components, correcting nutrient imbalances and strengthening tissue structure.

Specs & Dimensions

Feed Chart PDF
Brand HEAVY 16
SKU H161034FS4
Size 1 Gallon
NPK (Nitrogen) 1
NPK (Potassium) 2
UPC 736211384935

Items in the box

HEAVY 16 Foliar (in selected Size)

Warranty & Returns

Please check out the manufcaturers website for Warranty related issues.

Click here for more details: Read our Return Policy

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