Nutrients & Supplements

Emerald Harvest King Kola, 6 gal (FL/NM/PA)

Product Code:

EMHKK6GFNP

Emerald Harvest King Kola (FL/NM/PA) King Kola: USE KING KOLA POWERFUL BLOOM BOOSTER TO: Encourage prolific flowering and massive, weighty blooms. Maximize budding, structural floral development and ripening for heavier harvests. Treat plants to naturally occurring, vegetable-based...

$540.00 $800.00 -33%

Out of stock

Emerald Harvest King Kola 0.3-2-3 | 6gal (FL, NM, PA)

Product Code:

EMH42002301

Emerald Harvest King Kola 0.3-2-36galEmerald Harvest King Kola maximizes budding, structural floral development and ripening for heavier harvests.Guaranteed Analysis 0.3-2-3Florida, New Mexico, Pennsylvania Only

$529.29 $800.00 -34%

Out of stock

B'Cuzz Blossom Builder | 5L

Product Code:

BZBB5L

Blossom Builder Liquid® is a finisher/hardener fertilizer that should be used in the final 4 weeks of the blooming and ripening stage of the plant. Improved nutrient conditions will maximize the structure of fruits and harvest weight. Blossom Builder Liquid® contains a unique P:K ratio of 1:2...

$515.90 $763.99 -32%

In Stock: 12

Optic Foliar Transport, 10 L

Product Code:

OFTP10L

Optic Foliar TRANSPORT NPK 0.008-0-0.003 TRANSPORT provides superior spreading and wetting capabilities that allow you to spray in full sunlight with no damage or burning. Combine Optic Foliar TRANSPORT with any foliar solution to allow you to spray in full sunlight with no damage or burning,...

$506.16 $749.99 -33%

In Stock: 44

SUPERthrive, 2.5 gal

Product Code:

VI30181

SUPERthrive® The Original Vitamin Solution SUPERthrive®is a highly concentrated non-toxic vitamin solution invigorating all variety of greenery for home gardeners and professionals alike. It is equally suited for hydroponics, hydro-seeding, and foliar spraying. SUPERthrive® maximizes potential...

$501.74 $558.29 -10%

In Stock: 15

HEAVY 16 Foliar, 6 gal

Product Code:

H1610346FS23

HEAVY 16 Foliar • Improves overall plant nutrition • Corrects calcium/magnesium-based plant disorders • Improves tolerance of abiotic stress In our quest to provide the highest-grade products with superior efficacy to our growers, Heavy 16’s Heavy Foliar Professional Plant Additive is...

$496.11 $734.99 -33%

In Stock: 26

BioAG TM-7 | 50lb

Product Code:

BAGBA74500

BioAG TM-750lbTM-7 contains seven micronutrients critical for plant success, plus concentrated humic/fulvic powder for increased absorption and efficacy. Best to use throughout the season. Use in indoor or outdoor soil, and with or without compost tea.

$483.96 $553.71 -13%

Out of stock

South Cascade Organics SLF-100, 5 gal

Product Code:

SCSLF5

SLF-100 is a commercially proven enzymatic formula with over 18 years of proven success. It is a 100% organic and OMRI listed formula specifically designed to break out salts. Used as a cleanser for hydroponic systems and soilless media SLF-100 goes to work immediately to keep your system running...

$479.24 $591.99 -19%

In Stock: 58

South Cascade Organics SLF-100 | 5gal - OMRI Listed

Product Code:

SLFSLF5

South Cascade Organics SLF-1005gal - OMRI ListedSLF-100 is a commercially proven enzymatic formula with over 18 years of proven success. It is a 100% organic and OMRI Listed formula specifically designed to break out salts. Used as a cleanser for hydroponic systems and soilless media SLF-100 goes...

$470.23 $599.99 -22%

In Stock: 55

Cutting Edge Solutions Cal-Mag Amplified, 15 gal

Product Code:

CES3509

Cal-Mag Amplified Cal-Mag Amplified is an ideal choice for supplementing your native soil with pure, rapidly absorbable forms of calcium and magnesium. Coco coir growers will greatly benefit from the use of Cal-Mag Amplified by providing additional calcium to buffer the coco and maximize...

$468.06 $633.99 -26%

In Stock: 9

Biobizz Bio-Heaven | 10 L

Product Code:

BBBH10L

Bio-Heaven is a specially formulated and highly concentrated plant energy booster, which contains carefully selected biological nutrients such as amino acids. It improves yield and quality of the harvest by improving moisture retention as well as reducing moisture stress. Bio-Heaven also...

$466.88 $691.68 -33%

In Stock: 24

BioBizz Bio-Heaven 10L CA & OR only

Product Code:

BBBH10LCA

Natural metabolic support What is Bio-Heaven? Your plants will look forward to complete, all-round nirvana with Bio-Heaven. It contains carefully selected biological nutrients â the basic building blocks for proteins and enzymes that are essential for the plantâs structure and...

$466.88 $691.68 -33%

In Stock: 14

Emerald Harvest Hydra Clear, 2.5 gal - (Case of 2)

Product Code:

EMHHCL25

Emerald Harvest Hydra Clear Hydra Clear: USE HYDRA CLEAR POWERFUL MULTI-ENZYME LINE CLEAR TO: Rip through the toughest bio-film buildup to ensure the next growing cycle starts clean while reducing maintenance and costly downtime. Keep every inch of the system clean and clear....

$465.75 $690.00 -33%

Out of stock

Minimum purchase for "Emerald Harvest Hydra Clear, 2.5 gal - (Case of 2)" is 2.

HEAVY 16 Fire, 2.5 gal

Product Code:

H161040FR10

HEAVY 16 Fire • Improves overall plant nutrition • Improves soil/nutrient conditions for better crop yield • Provides organic matter • Improves soil conditions for increased plant vigor Heavy Fire represents the ultimate hand-crafted P/K booster created through strict adherence to...

$460.67 $682.49 -33%

In Stock: 130

HEAVY 16 Fire, 2.5 gal (OR Only)

Product Code:

H161040FR10OR

HEAVY 16 Fire (Oregon Only) • Improves overall plant nutrition • Improves soil/nutrient conditions for better crop yield • Provides organic matter • Improves soil conditions for increased plant vigor

$460.67 $682.49 -33%

In Stock: 44

HEAVY 16 Roots, 2.5 gal

Product Code:

H1610515RS10

HEAVY 16 Roots • Improved overall plant nutrition • Improves soil/nutrient conditions for root growth • Support soil conditions for greater root mass • Supports conditions for better plant establishment Heavy Roots is a revolutionary new additive designed to enhance the rhizosphere on...

$460.67 $682.49 -33%

In Stock: 137

Grotek Monster Bloom 0-50-30 | 5kg

Product Code:

GRN770006280

Grotek Monster Bloom 0-50-305kgMonster Bloom is packed full of essential nutrients that all plants crave as they strive to maximize yield. This highly concentrated formula provides a powerful punch to plants and supplies the nutrients necessary to support the flowering and ripening stages.

$459.99

Out of stock

CYCO Commercial Series Grow 10-5-13 - 20kg

Product Code:

HGC760896

Commercial-Grade Nutrient Formula CYCO Commercial Grow is a professional-grade nutrient formula that is perfect for all types of hydroponic systems, including drip systems, DWC, rock wool, and coco. It is also suitable for use in soil. Compatible with All Water Types This nutrient...

$459.94 $978.98 -53%

In Stock: 9

General Hydroponics Floralicious Plus 2-0.8-0.5 - 2.5gal

Product Code:

HGC732027

Boost Plant Vigor with Floralicious Plus Floralicious Plus is the foundation of General Hydroponics'® Floralicious® line, and it's no wonder why it's our number one nutrient additive. Formulated for use in both the vegetative and flowering stages of growth, this highly concentrated solution...

$458.03 $713.59 -36%

In Stock: 24

Snow Storm Ultra, 5 Gal

Product Code:

ETSS5GAL

Humboldt’s Own – Snow Storm Ultra Give your plants that “snowy frosted” look Increases terpenes and other fragrance notes A must use for greenhouse and outdoor growers. One hermaphrodite can ruin your whole crop. Don’t end up with seeded plants because of your neighbor’s males or...

$457.07 $593.99 -23%

In Stock: 17