H16-web-banner-price-drop-alert
H16-web-banner
H16-web-banner-Fire
H16-web-banner-Roots
previous arrow
next arrow
NUTRIENT CALCULATOR
FOLIAR DIRECTIONS
Become a Retailer

Interested in selling HEAVY 16 products at your store?

RETAILER SIGN-UP
Newsletter Signup

Stay up to date on the latest and greatest at HEAVY 16!

NEWSLETTER SIGN-UP

HEAVY 16 PROFESSIONAL PLANT NUTRIENTS PROVIDE GROWERS WITH A STREAMLINED AND POTENT SYSTEM FOR ACHIEVING THE MOST DEMANDING AGRICULTURAL GOALS.

PREMIUM RAW INGREDIENTS

COMPLEX FORMULATION

ARTISANAL MICRO-BATCH BLENDING

COMPLEX FORMULAS. SIMPLE APPLICATION. PREMIUM RESULTS.

See All Heavy 16 Products

Follow Heavy 16 on Instagram
  • Feed your rhizosphere the way it deserves! 🌱💥 HEAVY ROOTS is a next-gen additive that hits every angle of root development—packed with multiple functions in one bottle, minus the hormones that can drag down yield or quality. Root promoter ✅ Root protector ✅ Drip system cleaner ✅ Anti-precipitate ✅ All-in-one, no fluff. From clone to the final flush, add ROOTS first to your reservoir at just 1mL per gallon before your usual nutrients—and watch the magic happen. The real power? It’s in the root hairs—those delicate, fluffy white zones that do the heavy lifting when it comes to water and nutrient uptake. ROOTS boosts both the size and number of these absorption powerhouses, expanding the root zone like crazy and unlocking faster, more vigorous growth from the inside out. More root hairs = more uptake = healthier, more resilient plants ready to perform. Let your roots do the talking! 🗣️ #HEAVYRoots #HEAVY16 #HEAVY16Nutrients #HEAVY16Stacks #GetBigGetHEAVY #GrowWithHEAVY #Rhizosphere #RootGrowth
  • HEAVY FINISH isn’t just a flush — it’s a final transformation 💧 Designed as the last step in your cultivation cycle, HEAVY FINISH brings a scientific edge to your soil’s natural purity. By acting as both an electron donor and receptor, it restores electrochemical balance at the molecular level, creating a cleaner, more bioavailable root zone. 💧 Its natural chelating structures are lab-enhanced to achieve a uniform molecular size — unlocking peak performance from your nutrient program, even in previously imbalanced or overfed soils. ⚖️ With extreme buffering capacity across pH and EC/PPM, HEAVY FINISH helps neutralize the risk of heavy metals and poorly formulated regimens that may still be lurking at the finish line. 🌿 Inspired by the traditions of fine viticulture, HEAVY FINISH reveals the full terroir of your soil. Used during flower senescence, expect the deepest expressions of aroma, color, and oil your genetics are capable of. Whether you pair it with Heavy Prime or keep it minimalist with pure water, HEAVY FINISH is your key to unlocking elite, expressive harvests — the kind that speak for themselves. Finish HEAVY 💪 #HEAVY16 #HEAVY16Nutrients #GetBigGetHEAVY #HEAVYFinish #Finish #Flush #BigGrowerPreferred #GrowWithHEAVY
  • Wishing you a fun, safe, and spark-filled 4th of July! 🇺🇸 From our HEAVY family to yours — enjoy the holiday! 🎆🎇 #4thOfJuly #IndependenceDay2025
  • 🎙️ Catch one of our very own HEAVY 16 reps live on the mic! Jason recently joined @levelup_gardening on their Facebook Live for a 25-minute giveaway and grow talk session—full of great insight, laughs, and heavy-hitting plant knowledge. … but stay tuned: after the live, they kept it rolling for an extended sit-down that’ll drop soon on LevelUp’s YouTube channel! Check out @levelup_gardening’s Facebook page to see our initial chat and keep an eye out for more soon on their YouTube channel! 👊 #HEAVY16 #HEAVY16Nutrients #GetBigGetHEAVY #BigGrowerPreferred #GrowWithHEAVY
  • Don’t let your plants go without the good stuff. 🌱 
Hit up our Retail Locator to find a store near you: 
👉 heavy16.com/retailers Can’t find your favorite shop on the map?
 Drop their name and location in the comments — we’ll reach out and bring the Heavy their way. 💪🧪 #HEAVY16 #HEAVY16Nutrients #GrowWithHEAVY #BigGrowerPreferred #GetBigGetHEAVY
  • Want your flower to stand out in a sea of green? 🤌 It starts with flavor, aroma, and resin-rich potency—and that’s exactly where HEAVY 16 PRIME shines. 🌺🔥 PRIME is a powerhouse microbial feed and sweetener, crafted to elevate oil production, boost brix levels (hello sweetness + density), and bring out those unique terpene expressions that set your cultivar apart. 🍇🍋🍊 While it doesn’t contain live microbes itself, PRIME supercharges the effectiveness of your microbial inoculants, compost teas, and enriched media. It’s the missing link that brings everything together, feeding the underground life that fuels explosive above-ground quality. 🌱⚡️ Use it through the entire life cycle to dial in plant performance, push genetic potential, and unlock flavor profiles that hit like no other. Taste, smell, potency—PRIME makes sure they’re unforgettable. #Heavy16 #FlavorMatters #TerpsMatter #HEAVY16Nutrients #HEAVYPrime #Prime #Flavor #GrowWithHEAVY #BigGrowerPreferred #HEAVY16Stacks
  • HEAVY FOLIAR is Liquid Gold 🏆 Foliar feeding isn’t just hype—it’s science. When you spray nutrients directly onto the leaf surface, plants can absorb them up to 10x more efficiently than through their roots. Why? Because leaf tissue has tiny pores (stomata) that can take in dissolved minerals almost instantly, bypassing the slower, soil-based uptake process. But that’s not all. Foliar feeding doesn’t just benefit the leaves—it kickstarts activity underground too. When plants photosynthesize more efficiently due to optimal nutrition, they release more carbohydrates into the root zone. These sugars act as food for beneficial microbes, helping them multiply and thrive, which in turn makes even more nutrients available to your plants. The result? • Improved micronutrient delivery • Enhanced microbial life in the soil • Stronger roots • And ultimately—bigger, better yields That’s why foliar feeding with HEAVY Foliar is a win-win—for your plants, your soil, and your harvest. 👉 Check out our full foliar directions here: https://www.heavy16.com/foliar-directions #HEAVY16 #HEAVY16Nutrients #HEAVYFoliar #Foliar #FoliarFeeding #FoliarSpray #GetBigGetHEAVY #BigGrowerPreferred #GrowWithHEAVY
  • It all starts here 🌿🚀 HEAVY VEG A & B were born from years of hands-on plant production and advanced nutrient chemistry. Their purpose? To kickstart the development of larger vascular systems and strong structural integrity—so your crops are ready to bear heavy fruit come bloom time. It’s important to remember: both overfeeding and underfeeding can quietly harm your plants and microbes, even if everything looks fine. HEAVY16’s balanced formulas are designed to correct those hidden imbalances, giving you the freedom to push your grow creatively while staying buffered and stable. These powerful veg nutrients are built for high-demand cropping systems, focusing on cellular structure and tissue strength at the molecular level—from leaves to shoots to roots. When minerals are missing during key developmental phases, you get microscopic weak spots. That’s why we say: it’s all about the Veg. And HEAVY16 Veg A & B are our way of backing that up. If you’re aiming for vigorous, healthy plants with massive root mass and rock-solid structure, start from day one with HEAVY16 Veg A & B—whether it’s for your crop material or mother stock. Build it right from the beginning 🌿 #HEAVY16 #HEAVY16Nutrients #HEAVY16Veg #HEAVY16VegAB #Veg #GetBigGetHEAVY #BigGrowerPreferred #GrowWithHEAVY #CascadingDelivery #HEAVY16Stacks
  • We’ll go first: Lake Atitlán at sunrise 🌅 Now you — share this post to your story or leave a comment and let us know the wildest, most beautiful, or unexpected place you’ve rolled one up! #HEAVY16 #HEAVY16Nutrients #GetBigGetHEAVY #BigGrowerPreferred #GrowWithHEAVY
  • Where HEAVY VEG leaves off HEAVY BUD will begin 🚀 HEAVY BUD A&B will aid in building larger, more integrated roots, foliage, and vascular systems, in addition to heightened fruit set and quality. The chemistry of BUD A&B contain the most plant bio-available versions of Phosphorous and Potassium plus micronutrients to ensure superior quality and yields 💪 Exotic trace elements, and our multiple forms of Calcium back up traditional mineral nutrition 🌿 It is because of this perfection in chemistry that you can run our select enhancers or your special additive regiment to achieve the highest quality crops possible! Quality fruit comes from healthy plants that are put under a certain degree of stress as they fully senesce. HEAVY BUD A&B are revolutionary in this process because they are made in such a way as to correctly push the cellular limits of this stress while allowing for both complex and high-quality nutrition to enter the plant allowing you to increase the amount of dry matter (more yield), limit the amount of water weight, and increase the flavor and taste complexities 🔥 #HEAVY16 #HEAVY16Nutrients #HEAVY16Stacks #GrowWithHEAVY #GetBigGetHEAVY #BigGrowerPreferred
Feed your rhizosphere the way it deserves! 🌱💥 HEAVY ROOTS is a next-gen additive that hits every angle of root development—packed with multiple functions in one bottle, minus the hormones that can drag down yield or quality. Root promoter ✅ Root protector ✅ Drip system cleaner ✅ Anti-precipitate ✅ All-in-one, no fluff. From clone to the final flush, add ROOTS first to your reservoir at just 1mL per gallon before your usual nutrients—and watch the magic happen. The real power? It’s in the root hairs—those delicate, fluffy white zones that do the heavy lifting when it comes to water and nutrient uptake. ROOTS boosts both the size and number of these absorption powerhouses, expanding the root zone like crazy and unlocking faster, more vigorous growth from the inside out. More root hairs = more uptake = healthier, more resilient plants ready to perform. Let your roots do the talking! 🗣️ #HEAVYRoots #HEAVY16 #HEAVY16Nutrients #HEAVY16Stacks #GetBigGetHEAVY #GrowWithHEAVY #Rhizosphere #RootGrowth
@heavy16official
@heavy16official
•
Follow
Feed your rhizosphere the way it deserves! 🌱💥 HEAVY ROOTS is a next-gen additive that hits every angle of root development—packed with multiple functions in one bottle, minus the hormones that can drag down yield or quality. Root promoter ✅ Root protector ✅ Drip system cleaner ✅ Anti-precipitate ✅ All-in-one, no fluff. From clone to the final flush, add ROOTS first to your reservoir at just 1mL per gallon before your usual nutrients—and watch the magic happen. The real power? It’s in the root hairs—those delicate, fluffy white zones that do the heavy lifting when it comes to water and nutrient uptake. ROOTS boosts both the size and number of these absorption powerhouses, expanding the root zone like crazy and unlocking faster, more vigorous growth from the inside out. More root hairs = more uptake = healthier, more resilient plants ready to perform. Let your roots do the talking! 🗣️ #HEAVYRoots #HEAVY16 #HEAVY16Nutrients #HEAVY16Stacks #GetBigGetHEAVY #GrowWithHEAVY #Rhizosphere #RootGrowth
2 days ago
View on Instagram |
1/10
HEAVY FINISH isn’t just a flush — it’s a final transformation 💧 Designed as the last step in your cultivation cycle, HEAVY FINISH brings a scientific edge to your soil’s natural purity. By acting as both an electron donor and receptor, it restores electrochemical balance at the molecular level, creating a cleaner, more bioavailable root zone. 💧 Its natural chelating structures are lab-enhanced to achieve a uniform molecular size — unlocking peak performance from your nutrient program, even in previously imbalanced or overfed soils. ⚖️ With extreme buffering capacity across pH and EC/PPM, HEAVY FINISH helps neutralize the risk of heavy metals and poorly formulated regimens that may still be lurking at the finish line. 🌿 Inspired by the traditions of fine viticulture, HEAVY FINISH reveals the full terroir of your soil. Used during flower senescence, expect the deepest expressions of aroma, color, and oil your genetics are capable of. Whether you pair it with Heavy Prime or keep it minimalist with pure water, HEAVY FINISH is your key to unlocking elite, expressive harvests — the kind that speak for themselves. Finish HEAVY 💪 #HEAVY16 #HEAVY16Nutrients #GetBigGetHEAVY #HEAVYFinish #Finish #Flush #BigGrowerPreferred #GrowWithHEAVY
@heavy16official
@heavy16official
•
Follow
HEAVY FINISH isn’t just a flush — it’s a final transformation 💧 Designed as the last step in your cultivation cycle, HEAVY FINISH brings a scientific edge to your soil’s natural purity. By acting as both an electron donor and receptor, it restores electrochemical balance at the molecular level, creating a cleaner, more bioavailable root zone. 💧 Its natural chelating structures are lab-enhanced to achieve a uniform molecular size — unlocking peak performance from your nutrient program, even in previously imbalanced or overfed soils. ⚖️ With extreme buffering capacity across pH and EC/PPM, HEAVY FINISH helps neutralize the risk of heavy metals and poorly formulated regimens that may still be lurking at the finish line. 🌿 Inspired by the traditions of fine viticulture, HEAVY FINISH reveals the full terroir of your soil. Used during flower senescence, expect the deepest expressions of aroma, color, and oil your genetics are capable of. Whether you pair it with Heavy Prime or keep it minimalist with pure water, HEAVY FINISH is your key to unlocking elite, expressive harvests — the kind that speak for themselves. Finish HEAVY 💪 #HEAVY16 #HEAVY16Nutrients #GetBigGetHEAVY #HEAVYFinish #Finish #Flush #BigGrowerPreferred #GrowWithHEAVY
4 days ago
View on Instagram |
2/10
Wishing you a fun, safe, and spark-filled 4th of July! 🇺🇸 From our HEAVY family to yours — enjoy the holiday! 🎆🎇 #4thOfJuly #IndependenceDay2025
@heavy16official
@heavy16official
•
Follow
Wishing you a fun, safe, and spark-filled 4th of July! 🇺🇸 From our HEAVY family to yours — enjoy the holiday! 🎆🎇 #4thOfJuly #IndependenceDay2025
7 days ago
View on Instagram |
3/10
@heavy16official
@heavy16official
•
Follow
🎙️ Catch one of our very own HEAVY 16 reps live on the mic! Jason recently joined @levelup_gardening on their Facebook Live for a 25-minute giveaway and grow talk session—full of great insight, laughs, and heavy-hitting plant knowledge. … but stay tuned: after the live, they kept it rolling for an extended sit-down that’ll drop soon on LevelUp’s YouTube channel! Check out @levelup_gardening’s Facebook page to see our initial chat and keep an eye out for more soon on their YouTube channel! 👊 #HEAVY16 #HEAVY16Nutrients #GetBigGetHEAVY #BigGrowerPreferred #GrowWithHEAVY
1 week ago
View on Instagram |
4/10
Don’t let your plants go without the good stuff. 🌱 
Hit up our Retail Locator to find a store near you: 
👉 heavy16.com/retailers Can’t find your favorite shop on the map?
 Drop their name and location in the comments — we’ll reach out and bring the Heavy their way. 💪🧪 #HEAVY16 #HEAVY16Nutrients #GrowWithHEAVY #BigGrowerPreferred #GetBigGetHEAVY
@heavy16official
@heavy16official
•
Follow
Don’t let your plants go without the good stuff. 🌱 
Hit up our Retail Locator to find a store near you: 
👉 heavy16.com/retailers Can’t find your favorite shop on the map?
 Drop their name and location in the comments — we’ll reach out and bring the Heavy their way. 💪🧪 #HEAVY16 #HEAVY16Nutrients #GrowWithHEAVY #BigGrowerPreferred #GetBigGetHEAVY
1 week ago
View on Instagram |
5/10
@heavy16official
@heavy16official
•
Follow
Want your flower to stand out in a sea of green? 🤌 It starts with flavor, aroma, and resin-rich potency—and that’s exactly where HEAVY 16 PRIME shines. 🌺🔥 PRIME is a powerhouse microbial feed and sweetener, crafted to elevate oil production, boost brix levels (hello sweetness + density), and bring out those unique terpene expressions that set your cultivar apart. 🍇🍋🍊 While it doesn’t contain live microbes itself, PRIME supercharges the effectiveness of your microbial inoculants, compost teas, and enriched media. It’s the missing link that brings everything together, feeding the underground life that fuels explosive above-ground quality. 🌱⚡️ Use it through the entire life cycle to dial in plant performance, push genetic potential, and unlock flavor profiles that hit like no other. Taste, smell, potency—PRIME makes sure they’re unforgettable. #Heavy16 #FlavorMatters #TerpsMatter #HEAVY16Nutrients #HEAVYPrime #Prime #Flavor #GrowWithHEAVY #BigGrowerPreferred #HEAVY16Stacks
2 weeks ago
View on Instagram |
6/10
@heavy16official
@heavy16official
•
Follow
HEAVY FOLIAR is Liquid Gold 🏆 Foliar feeding isn’t just hype—it’s science. When you spray nutrients directly onto the leaf surface, plants can absorb them up to 10x more efficiently than through their roots. Why? Because leaf tissue has tiny pores (stomata) that can take in dissolved minerals almost instantly, bypassing the slower, soil-based uptake process. But that’s not all. Foliar feeding doesn’t just benefit the leaves—it kickstarts activity underground too. When plants photosynthesize more efficiently due to optimal nutrition, they release more carbohydrates into the root zone. These sugars act as food for beneficial microbes, helping them multiply and thrive, which in turn makes even more nutrients available to your plants. The result? • Improved micronutrient delivery • Enhanced microbial life in the soil • Stronger roots • And ultimately—bigger, better yields That’s why foliar feeding with HEAVY Foliar is a win-win—for your plants, your soil, and your harvest. 👉 Check out our full foliar directions here: https://www.heavy16.com/foliar-directions #HEAVY16 #HEAVY16Nutrients #HEAVYFoliar #Foliar #FoliarFeeding #FoliarSpray #GetBigGetHEAVY #BigGrowerPreferred #GrowWithHEAVY
2 weeks ago
View on Instagram |
7/10
It all starts here 🌿🚀 HEAVY VEG A & B were born from years of hands-on plant production and advanced nutrient chemistry. Their purpose? To kickstart the development of larger vascular systems and strong structural integrity—so your crops are ready to bear heavy fruit come bloom time. It’s important to remember: both overfeeding and underfeeding can quietly harm your plants and microbes, even if everything looks fine. HEAVY16’s balanced formulas are designed to correct those hidden imbalances, giving you the freedom to push your grow creatively while staying buffered and stable. These powerful veg nutrients are built for high-demand cropping systems, focusing on cellular structure and tissue strength at the molecular level—from leaves to shoots to roots. When minerals are missing during key developmental phases, you get microscopic weak spots. That’s why we say: it’s all about the Veg. And HEAVY16 Veg A & B are our way of backing that up. If you’re aiming for vigorous, healthy plants with massive root mass and rock-solid structure, start from day one with HEAVY16 Veg A & B—whether it’s for your crop material or mother stock. Build it right from the beginning 🌿 #HEAVY16 #HEAVY16Nutrients #HEAVY16Veg #HEAVY16VegAB #Veg #GetBigGetHEAVY #BigGrowerPreferred #GrowWithHEAVY #CascadingDelivery #HEAVY16Stacks
@heavy16official
@heavy16official
•
Follow
It all starts here 🌿🚀 HEAVY VEG A & B were born from years of hands-on plant production and advanced nutrient chemistry. Their purpose? To kickstart the development of larger vascular systems and strong structural integrity—so your crops are ready to bear heavy fruit come bloom time. It’s important to remember: both overfeeding and underfeeding can quietly harm your plants and microbes, even if everything looks fine. HEAVY16’s balanced formulas are designed to correct those hidden imbalances, giving you the freedom to push your grow creatively while staying buffered and stable. These powerful veg nutrients are built for high-demand cropping systems, focusing on cellular structure and tissue strength at the molecular level—from leaves to shoots to roots. When minerals are missing during key developmental phases, you get microscopic weak spots. That’s why we say: it’s all about the Veg. And HEAVY16 Veg A & B are our way of backing that up. If you’re aiming for vigorous, healthy plants with massive root mass and rock-solid structure, start from day one with HEAVY16 Veg A & B—whether it’s for your crop material or mother stock. Build it right from the beginning 🌿 #HEAVY16 #HEAVY16Nutrients #HEAVY16Veg #HEAVY16VegAB #Veg #GetBigGetHEAVY #BigGrowerPreferred #GrowWithHEAVY #CascadingDelivery #HEAVY16Stacks
2 weeks ago
View on Instagram |
8/10
We’ll go first: Lake Atitlán at sunrise 🌅 Now you — share this post to your story or leave a comment and let us know the wildest, most beautiful, or unexpected place you’ve rolled one up! #HEAVY16 #HEAVY16Nutrients #GetBigGetHEAVY #BigGrowerPreferred #GrowWithHEAVY
@heavy16official
@heavy16official
•
Follow
We’ll go first: Lake Atitlán at sunrise 🌅 Now you — share this post to your story or leave a comment and let us know the wildest, most beautiful, or unexpected place you’ve rolled one up! #HEAVY16 #HEAVY16Nutrients #GetBigGetHEAVY #BigGrowerPreferred #GrowWithHEAVY
3 weeks ago
View on Instagram |
9/10
Where HEAVY VEG leaves off HEAVY BUD will begin 🚀 HEAVY BUD A&B will aid in building larger, more integrated roots, foliage, and vascular systems, in addition to heightened fruit set and quality. The chemistry of BUD A&B contain the most plant bio-available versions of Phosphorous and Potassium plus micronutrients to ensure superior quality and yields 💪 Exotic trace elements, and our multiple forms of Calcium back up traditional mineral nutrition 🌿 It is because of this perfection in chemistry that you can run our select enhancers or your special additive regiment to achieve the highest quality crops possible! Quality fruit comes from healthy plants that are put under a certain degree of stress as they fully senesce. HEAVY BUD A&B are revolutionary in this process because they are made in such a way as to correctly push the cellular limits of this stress while allowing for both complex and high-quality nutrition to enter the plant allowing you to increase the amount of dry matter (more yield), limit the amount of water weight, and increase the flavor and taste complexities 🔥 #HEAVY16 #HEAVY16Nutrients #HEAVY16Stacks #GrowWithHEAVY #GetBigGetHEAVY #BigGrowerPreferred
@heavy16official
@heavy16official
•
Follow
Where HEAVY VEG leaves off HEAVY BUD will begin 🚀 HEAVY BUD A&B will aid in building larger, more integrated roots, foliage, and vascular systems, in addition to heightened fruit set and quality. The chemistry of BUD A&B contain the most plant bio-available versions of Phosphorous and Potassium plus micronutrients to ensure superior quality and yields 💪 Exotic trace elements, and our multiple forms of Calcium back up traditional mineral nutrition 🌿 It is because of this perfection in chemistry that you can run our select enhancers or your special additive regiment to achieve the highest quality crops possible! Quality fruit comes from healthy plants that are put under a certain degree of stress as they fully senesce. HEAVY BUD A&B are revolutionary in this process because they are made in such a way as to correctly push the cellular limits of this stress while allowing for both complex and high-quality nutrition to enter the plant allowing you to increase the amount of dry matter (more yield), limit the amount of water weight, and increase the flavor and taste complexities 🔥 #HEAVY16 #HEAVY16Nutrients #HEAVY16Stacks #GrowWithHEAVY #GetBigGetHEAVY #BigGrowerPreferred
3 weeks ago
View on Instagram |
10/10

FIND YOUR LOCAL HEAVY 16 RETAILER

Find a retailer

QUESTIONS? COMMENTS?

Contact Us
Copyright © 2025 Heavy 16. All rights reserved