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Nutrients & Supplements

Soil Amendments
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128
Growth Science Organics Abundant-Sea, 2.5 gal
In stock
$206.72 $314.99 -34%
MILLS C4 5LTR
In stock
$206.25 $300.00 -31%
MILLS ULTIMATE PK 5 LTR
In stock
$206.25 $300.00 -31%
House & Garden Nitrogen Boost, 5 L
In stock
$206.16 $299.88 -31%
House & Garden Bio 1-Component, 20 L
In stock
$205.34 $328.55 -38%
MICROBE Life Hydroponics All-In-One | 2.5gal - (Case of 2)
In stock
$204.49
Plant Success Organics Soluble 0.5-0.1-7 | 5lb
In stock
$204.28 $282.36 -28%
Aptus Bloomboost, 1 L
In stock
$204.15 $311.09 -34%
Primordial Solutions PaleoBloom, 5 gal
In stock
$203.05 $284.99 -29%
House & Garden Drip Clean, 5 L
In stock
$202.12 $294.00 -31%
Big Foot Ecto-Mycorrhizae | 2oz
In stock
$199.80
Roots Organics Buddha Bloom, 5 gal
In stock
$199.54 $318.63 -37%
Roots Organics Buddha Grow, 5 gal
In stock
$199.54 $318.63 -37%
Roots Organics Buddha Bloom 5gal
In stock
$199.54 $318.63 -37%
Roots Organics Buddha Grow 5gal
In stock
$199.54 $318.63 -37%
SUPERthrive, 1 gal
In stock
$197.99 $251.39 -21%
Save 14%
SUPERthrive Vitamin Solution Fertilizer | 1gal - Concentrate
In stock
$197.90 $228.99 -14%
Save 18%
FOOP CANNA Sweetener Organic Terpene Enhancer | 5gal - OMRI Listed
Out of stock
$196.94 $239.99 -18%
Big Foot Mycorrhizae Granular | 10lb
In stock
$195.70
House & Garden Roots Excelurator Gold, 1 L
In stock
$194.91 $283.50 -31%
House & Garden Roots Excelurator, (silver bottle), 1 L
In stock
$194.91 $283.50 -31%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 15lb Jar
In stock
$194.16 $267.99 -28%
Biobizz Bio-Heaven | 5 L
In stock
$193.75 $387.50 -50%
BioBizz Bio-Heaven 5L CA & OR only
Out of stock
$193.75 $387.50 -50%
Great White Premium Mycorrhizae, 32 oz
In stock
$193.19 $263.53 -27%
Grotek Vitamax Plus 1-1-2 | 10L - (Case of 2)
In stock
$192.99
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 15lb
In stock
$192.56 $264.99 -27%
Emerald Harvest pH Down, 1 gal, case of 4
In stock
$192.50 $308.00 -38%
Emerald Harvest pH Up, 1 gal, case of 4
In stock
$192.50 $308.00 -38%
Technaflora MagiCal, 20 L
In stock
$192.21 $321.99 -40%
Nectar for The Gods Zeus Juice Growth Enhancer | 5gal
In stock
$190.72 $269.99 -29%
Plant Success Great White Premium Mycorrhizae | 32oz
In stock
$190.65 $263.53 -28%
Emerald Harvest Hydra Clear, 1 gal
In stock
$190.31 $290.00 -34%
Optic Foliar ATAK Concentrate, 24 L
In stock
$190.16 $303.99 -37%
Grotek Growth Booster 16-40-0 | 300g - (Case of 6)
In stock
$189.99
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 5gal - The Silicon Solution
In stock
$189.35 $317.11 -40%
Humboldt Nutrients Master-B, 5 gal
In stock
$188.12 $300.99 -37%
FoxFarm Grow Big Hydro Liquid Concentrate, 2.5 gal
In stock
$187.84 $253.84 -26%
General Hydroponics CALiMAGic 1-0-0 - 6gal
In stock
$187.81 $334.59 -44%
Aptus Liquid Base, 1 L
In stock
$187.42 $294.00 -36%
Grotek Blossom Blaster, 500 g
In stock
$187.40 $256.99 -27%
Purple Maxx, 1 gal
In stock
$186.88 $258.99 -28%
Cutting Edge Solutions Cal-Mag Amplified, 6 gal
In stock
$186.30 $272.99 -32%
FoxFarm Beastie Bloomz, 15 lbs
In stock
$186.25 $261.47 -29%
General Hydroponics MaxiBloom 5-15-14 - 50lb
In stock
$186.20 $437.07 -57%
General Hydroponics MaxiGro 10-5-14 - 50lb
In stock
$186.20 $435.84 -57%
Down to Earth Kelp Meal 1-0.1-2 | 50lb - OMRI Listed
In stock
$185.51 $278.99 -34%
Emerald Harvest pH Down, 1 qt, case of 12
In stock
$183.75 $294.00 -38%
Emerald Harvest pH Up, 1 qt, case of 12
In stock
$183.75 $294.00 -38%
House & Garden Commercial Bloom, 25 lbs Pail
In stock
$183.75 $235.00 -22%
House & Garden Commercial Grow, 25 lbs Pail
In stock
$183.75 $235.00 -22%
Xtreme Gardening Azos Red Liquid | 200mL - (Case of 8)
In stock
$183.46 $241.75 -24%
Biobizz Top-Max, 10 L
In stock
$183.28 $366.56 -50%
BioBizz Top-Max 10L CA & OR only
In stock
$183.28 $366.56 -50%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 15lb Jar
In stock
$182.94 $251.99 -27%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 6 gal
In stock
$181.12 $262.49 -31%
Hades Down, 5 gal
In stock
$180.90 $289.49 -38%
House & Garden Shooting Powder Sachet (pack of 20)
In stock
$180.48 $262.50 -31%
MILLS VITALIZE 1LTR
In stock
$180.48 $262.50 -31%
General Hydroponics Floralicious Plus 2-0.8-0.5 - 1gal
In stock
$178.98 $321.32 -44%
Xtreme Gardening Tea Brews | 20ct
In stock
$178.38 $235.05 -24%
Emerald Harvest Root Wizard, 1 gal
In stock
$177.84 $271.00 -34%
Emerald Harvest Root Wizard, 1 gal (FL, MN, NC, OK)
In stock
$177.84 $271.00 -34%
Emerald Harvest Root Wizard, 1 gal (OR)
In stock
$177.84 $271.00 -34%
Biobizz CAL-MAG 20L
In stock
$176.90 $353.82 -50%
Biobizz Acti-Vera 10L CA & OR only
Out of stock
$176.58 $353.16 -50%
Biobizz Acti-Vera 10L
In stock
$176.58 $353.16 -50%
Orca Premium Liquid Mycorrhizae, 1 gal
In stock
$176.36 $240.55 -27%
Emerald Harvest Starter Kit | 32oz - 2 Part Base
In stock
$175.00 $220.00 -20%
Emerald Harvest Starter Kit | 32oz - 3 Part Base
In stock
$175.00 $220.00 -20%
Emerald Harvest Kick Starter Kit 2-Part Base
In stock
$175.00 $220.00 -20%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$175.00 $220.00 -20%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$175.00 $220.00 -20%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$175.00 $220.00 -20%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$175.00 $220.00 -20%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$175.00 $220.00 -20%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$175.00 $220.00 -20%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$175.00 $220.00 -20%
Emerald Harvest Kick Starter Kit 3-Part Base
In stock
$175.00 $220.00 -20%
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$175.00 $220.00 -20%
Aptus Startboost, 1 L
In stock
$174.88 $235.12 -26%
Roots Organics Elemental, 40 lbs
In stock
$174.15 $278.63 -37%
Plant Success Orca | 1gal
In stock
$174.04 $240.55 -28%
CYCO Platinum Series Dr. Repair 3-0-0 - 20L
In stock
$173.59 $277.79 -38%
Poseidonzime, 5 gal
Out of stock
$173.48 $277.99 -38%
Rock Resinator Heavy Yields, 5 L
In stock
$173.46 $269.99 -36%
FoxFarm Cha Ching Soluble, 15 lbs
In stock
$173.42 $244.15 -29%
FoxFarm Grow Big Liquid Concentrate, 2.5 gal
In stock
$173.25 $241.57 -28%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 2.5gal - Concentrate - (Case of 2)
In stock
$172.48 $237.99 -28%
FoxFarm Grow Big Fertilizer 6-4-4 | 2.5gal - Concentrate - (Case of 2)
In stock
$172.30 $236.99 -27%
Big Time Enzyme, 5 gal
In stock
$171.74 $228.99 -25%
Botanicare Liquid Karma 0.1-0.1-0.5 - 5gal
In stock
$170.18 $398.32 -57%
Marine Cuisine Dry Fertilizer 50 lb bag
Out of stock
$170.15 $252.83 -33%
Emerald Harvest Root Wizard | 1gal
In stock
$169.38 $271.00 -37%
Emerald Harvest Root Wizard | 1gal (FL, MN, NC, OK)
In stock
$169.38 $271.00 -37%
Age Old Grow, 6 gal
In stock
$168.74 $224.99 -25%
Age Old Bloom, 6 gal
In stock
$168.74 $224.99 -25%
Age Old Kelp, 6 gal
In stock
$168.74 $224.99 -25%
Age Old Fish & Seaweed, 6 gal
In stock
$168.74 $224.99 -25%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 5gal
In stock
$168.14 $299.53 -44%
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 5gal
In stock
$168.14 $299.53 -44%
Botanicare Pure Blend Pro Soil 1-4-5 - 5gal
In stock
$168.14 $299.53 -44%
CYCO Commercial Series Grow 10-5-13 - 5kg
In stock
$167.52 $271.17 -38%
Biobizz Fish-Mix, 20 L
In stock
$166.95 $333.92 -50%
BioBizz Fish-Mix 20L CA & OR only
In stock
$166.95 $333.92 -50%
Botanicare Hydroplex Bloom 0-10-6 - 2.5gal
In stock
$166.71 $269.51 -38%
Save 6%
Technaflora B. Seaweed, 4 L
In stock
$166.64 $176.36 -6%
HDI Clonex Mist Root Promoter | 1gal - Concentrate
In stock
$166.16 $224.07 -26%
House & Garden Commercial CalMag, 25 lbs Pail
In stock
$165.00 $215.00 -23%
MILLS START 5 LTR
In stock
$165.00 $240.00 -31%
General Hydroponics FloraNova Grow 7-4-10 - 2.5gal
In stock
$164.72 $267.22 -38%
General Hydroponics FloraNova Bloom 4-8-7 - 2.5gal
In stock
$164.72 $267.22 -38%
Mad Farmer Cal+Mag, 6 gal
In stock
$164.06 $262.50 -38%
CYCO Platinum Series Zyme 0.01-0.3-0.2 - 5L - (OK)
Out of stock
$163.44
Grotek Vitamax Pro, 10 L
In stock
$163.42 $224.36 -27%
Xtreme Gardening Mykos |60 - 100g Bags
In stock
$162.85 $214.59 -24%
Grotek Vitamax Pro, 23 L
In stock
$162.49 $430.99 -62%
House & Garden Bud-XL, 5 L
In stock
$162.42 $236.25 -31%
Emerald Harvest Emerald Goddess 2-1-4 | 2.5gal
In stock
$162.10 $380.00 -57%
House & Garden Top Shooter, 1 L
In stock
$161.70 $235.20 -31%
Aptus Fasilitor, 1 L
In stock
$161.25 $320.00 -50%
Humboldt Nutrients Verde, 2.5 gal
In stock
$161.21 $244.99 -34%
Microbe Life Photosynthesis Plus-O, 2.5 gal (OR)
In stock
$160.79 $222.99 -28%
DaKine 420 Sticky Icky Enzymes | 10lb
In stock
$160.55 $698.99 -77%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 20 lbs
In stock
$160.41 $243.99 -34%
Biobizz Alg-A-Mic, 10 L
In stock
$159.30 $318.60 -50%
BioBizz Alg-a-Mic 10L CA & OR only
Out of stock
$159.30 $318.60 -50%
Microbe Life Plus-C, 2.5 gal (CA)
In stock
$159.18 $219.99 -28%
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