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Nutrients & Supplements

Soil Amendments
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128
General Hydroponics FloraNectar FruitnFusion 0-0-1 - 6gal
In stock
$215.13 $345.79 -38%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 15lb Jar
In stock
$214.36 $267.99 -20%
Big Foot Mycorrhizae Concentrate | 10lb
In stock
$214.02 $421.99 -49%
Save 19%
Great White Premium Mycorrhizae, 32 oz
In stock
$213.28 $263.53 -19%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 15lb
In stock
$212.59 $264.99 -20%
Emerald Harvest pH Down, 1 gal, case of 4
In stock
$212.52 $308.00 -31%
Emerald Harvest pH Up, 1 gal, case of 4
In stock
$212.52 $308.00 -31%
DaKine 420 Advanced Growers Kit | 6, 300g - OMRI Listed
In stock
$212.48 $398.99 -47%
DaKine 420 Bio Minerals | 10,000g
In stock
$212.48 $398.99 -47%
Technaflora MagiCal, 20 L
In stock
$212.20 $321.99 -34%
Biobizz Bio-Grow, 20 L
In stock
$211.86 $306.99 -31%
Biobizz Bio-Bloom, 20 L
In stock
$211.84 $306.99 -31%
Save 16%
SUPERthrive, 1 gal
In stock
$210.66 $251.39 -16%
Nectar for The Gods Zeus Juice Growth Enhancer | 5gal
In stock
$210.56 $269.99 -22%
Plant Success Great White Premium Mycorrhizae | 32oz
In stock
$210.48 $263.53 -20%
Emerald Harvest Hydra Clear, 1 gal
In stock
$210.10 $290.00 -28%
Optic Foliar ATAK CONCENTRATE, 24 L
In stock
$209.94 $303.99 -31%
Save 13%
FOOP CANNA Sweetener Organic Terpene Enhancer | 5gal - OMRI Listed
Out of stock
$209.54 $239.99 -13%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 5gal - The Silicon Solution
Out of stock
$209.04 $317.11 -34%
Humboldt Nutrients Master-B, 5 gal
In stock
$207.69 $300.99 -31%
Save 18%
FoxFarm Grow Big Hydro® Liquid Concentrate, 2.5 gal
In stock
$207.37 $253.84 -18%
General Hydroponics CALiMAGic 1-0-0 - 6gal
In stock
$207.34 $334.59 -38%
Aptus Liquid Base, 1 L
In stock
$206.92 $294.00 -30%
Save 19%
Grotek Blossom Blaster, 500 g
In stock
$206.89 $256.99 -19%
Purple Maxx, 1 gal
In stock
$206.31 $258.99 -20%
Cutting Edge Solutions Cal-Mag Amplified, 6 gal
In stock
$205.68 $272.99 -25%
FoxFarm Beastie Bloomz, 15 lbs
In stock
$205.62 $261.47 -21%
Save 17%
Budswel, 5 gal
In stock
$205.12 $247.99 -17%
Save 17%
Budswel, 5 gal (CA Only)
In stock
$205.12 $247.99 -17%
Down to Earth Kelp Meal 1-0.1-2 | 50lb - OMRI Listed
In stock
$204.81 $278.99 -27%
MICROBE Life Hydroponics All-In-One | 2.5gal
In stock
$204.49
Emerald Harvest pH Down, 1 qt, case of 12
In stock
$202.86 $294.00 -31%
Emerald Harvest pH Up, 1 qt, case of 12
In stock
$202.86 $294.00 -31%
Save 12%
SUPERthrive Vitamin Solution Fertilizer | 1gal - Concentrate
In stock
$202.65 $228.99 -12%
Save 16%
Xtreme Gardening Azos Red Liquid | 200mL
In stock
$202.54 $241.75 -16%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 15lb Jar
In stock
$201.96 $251.99 -20%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 6 gal
In stock
$199.96 $262.49 -24%
Hades Down, 5 gal
In stock
$199.71 $289.49 -31%
Zeus Juice, 5 gal
Out of stock
$199.71 $289.49 -31%
House & Garden Shooting Powder Sachet (20 sachets per box)
In stock
$199.24 $262.50 -24%
General Hydroponics Floralicious Plus 2-0.8-0.5 - 1gal
In stock
$197.59 $321.32 -39%
Save 16%
Xtreme Gardening Tea Brews | 20ct
In stock
$196.93 $235.05 -16%
Emerald Harvest Root Wizard, 1 gal
In stock
$196.33 $271.00 -28%
Emerald Harvest Root Wizard, 1 gal (FL/MN/NC/OK)
In stock
$196.33 $271.00 -28%
Emerald Harvest Root Wizard, 1 gal (OR)
In stock
$196.33 $271.00 -28%
Save 17%
House & Garden Commercial Bloom, 25 lbs Pail
In stock
$195.51 $235.00 -17%
Save 17%
House & Garden Commercial Grow, 25 lbs Pail
In stock
$195.51 $235.00 -17%
Save 19%
Orca Premium Liquid Mycorrhizae, 1 gal
In stock
$194.70 $240.55 -19%
Save 18%
Aptus Startboost, 1 L
In stock
$193.06 $235.12 -18%
Grotek Vitamax Plus 1-1-2 | 10L
In stock
$192.99
Roots Organics Elemental, 40 lbs
In stock
$192.26 $278.63 -31%
Plant Success Orca | 1gal
In stock
$192.14 $240.55 -20%
CYCO Platinum Series Dr. Repair 3-0-0 - 20L
In stock
$191.64 $277.79 -31%
Poseidonzime, 5 gal
Out of stock
$191.52 $277.99 -31%
Rock Resinator Heavy Yields, 5 L
In stock
$191.50 $269.99 -29%
FoxFarm Cha Ching Soluble, 15 lbs
In stock
$191.46 $244.15 -22%
FoxFarm Grow Big® Liquid Concentrate, 2.5 gal
In stock
$191.27 $241.57 -21%
FoxFarm Tiger Bloom® Liquid Concentrate, 2.5 gal
In stock
$191.25 $241.61 -21%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 2.5gal - Concentrate
In stock
$190.41 $237.99 -20%
FoxFarm Grow Big Fertilizer 6-4-4 | 2.5gal - Concentrate
In stock
$190.22 $236.99 -20%
Grotek Growth Booster 16-40-0 | 300g
In stock
$189.99
Save 17%
Big Time Enzyme, 5 gal
In stock
$189.60 $228.99 -17%
Roots Organics HPK 0-4-3, 5 gal
In stock
$188.37 $272.99 -31%
Emerald Harvest Root Wizard | 1gal
In stock
$186.99 $271.00 -31%
Emerald Harvest Root Wizard | 1gal
In stock
$186.99 $271.00 -31%
Save 17%
Age Old Grow, 6 gal
In stock
$186.29 $224.99 -17%
Save 17%
Age Old Bloom, 6 gal
In stock
$186.29 $224.99 -17%
Save 17%
Age Old Kelp, 6 gal
In stock
$186.29 $224.99 -17%
Save 17%
Age Old Fish & Seaweed, 6 gal
In stock
$186.29 $224.99 -17%
Save 15%
Emerald Harvest Starter Kit | 32oz - 2 Part Base
In stock
$186.20 $220.00 -15%
Save 15%
Emerald Harvest Starter Kit | 32oz - 3 Part Base
In stock
$186.20 $220.00 -15%
Save 15%
In stock
$186.20 $220.00 -15%
Save 15%
Out of stock
$186.20 $220.00 -15%
Save 15%
Out of stock
$186.20 $220.00 -15%
Save 15%
Out of stock
$186.20 $220.00 -15%
Save 15%
Out of stock
$186.20 $220.00 -15%
Save 15%
Out of stock
$186.20 $220.00 -15%
Save 15%
Out of stock
$186.20 $220.00 -15%
Save 15%
Out of stock
$186.20 $220.00 -15%
Save 15%
In stock
$186.20 $220.00 -15%
Save 15%
Out of stock
$186.20 $220.00 -15%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 5gal
In stock
$185.62 $299.53 -38%
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 5gal
In stock
$185.62 $299.53 -38%
Botanicare Pure Blend Pro Soil 1-4-5 - 5gal
In stock
$185.62 $299.53 -38%
CYCO Commercial Series Grow 10-5-13 - 5kg
In stock
$184.95 $271.17 -32%
CYCO Commercial Series Bloom 8-6-11 - 5kg
In stock
$184.95 $271.17 -32%
Botanicare Hydroplex Bloom 0-10-6 - 2.5gal
In stock
$184.05 $269.51 -32%
Save 18%
HDI Clonex Mist Root Promoter | 1gal - Concentrate
In stock
$183.44 $224.07 -18%
Save 15%
House & Garden Commercial CalMag, 25 lbs Pail
In stock
$182.16 $215.00 -15%
General Hydroponics FloraNova Grow 7-4-10 - 2.5gal
In stock
$181.86 $267.22 -32%
General Hydroponics FloraNova Bloom 4-8-7 - 2.5gal
In stock
$181.86 $267.22 -32%
Mad Farmer Cal+Mag, 6 gal
In stock
$181.12 $262.50 -31%
Grotek Vitamax Pro, 10 L
In stock
$180.42 $224.36 -20%
Save 16%
Xtreme Gardening Mykos | 60ct Counter Display - 100g Bags
In stock
$179.79 $214.59 -16%
House & Garden Bud-XL, 5 L
In stock
$179.32 $236.25 -24%
House & Garden Top Shooter, 1 L
In stock
$178.52 $235.20 -24%
Aptus Fasilitor, 1 L
In stock
$178.02 $320.00 -44%
Humboldt Nutrients Verde, 2.5 gal
In stock
$177.98 $244.99 -27%
Microbe Life Photosynthesis Plus-O, 2.5 gal (OR Only)
In stock
$177.51 $222.99 -20%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 20 lbs
In stock
$177.10 $243.99 -27%
Microbe Life Plus-C, 2.5 gal (CA ONLY)
In stock
$175.73 $219.99 -20%
Microbe Life Photosynthesis Plus, 2.5 gal
In stock
$175.72 $219.99 -20%
Roots Organics HP2 0-4-0, 5 gal
In stock
$175.33 $254.09 -31%
SUPERthrive Root-Gel Rooting Gel | 64oz
In stock
$174.64 $264.99 -34%
Bloombastic, 1.25 L
In stock
$174.57 $240.99 -28%
Remo Nature's Candy, 20 L
In stock
$174.22 $251.99 -31%
Grotek Pro-Silicate, 23 L
In stock
$174.02 $226.99 -23%
Emerald Harvest Sturdy Stalk, 2.5 gal
In stock
$173.91 $240.00 -28%
General Hydroponics KoolBloom 2-45-28 - 16lb
In stock
$173.20 $279.51 -38%
House & Garden Cocos - Starter Kit
In stock
$172.93 $224.91 -23%
House & Garden Soil - Starter Kit
In stock
$172.93 $224.91 -23%
FoxFarm Dirty Dozen Liquids & Solubles Starter Pack | 12pcs
In stock
$172.91 $222.99 -22%
Emerald Harvest Cal-Mag | 6gal
In stock
$172.50 $250.00 -31%
Emerald Harvest Cal-Mag, 6 gal
In stock
$172.50 $250.00 -31%
Great White Granular 1 Mycorrhizal | 20lb - OMRI Listed
In stock
$171.99 $215.32 -20%
Aphrodite's Extraction, 5 gal
In stock
$171.40 $248.49 -31%
Demeter's Destiny, 5 gal
In stock
$171.40 $248.49 -31%
Mother Earth LiquiCraft Grow 4-3-3 - 5gal
In stock
$170.91 $275.21 -38%
Mother Earth LiquiCraft Bloom 2-4-4 - 5gal
In stock
$170.91 $275.21 -38%
General Hydroponics Diamond Nectar 0-1-1 - 6gal
In stock
$170.86 $275.84 -38%
Save 3%
Technaflora B. Seaweed, 4 L
In stock
$170.64 $176.36 -3%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 100 g Singles (60 per case)
In stock
$169.26 $264.99 -36%
Save 16%
Xtreme Gardening Mykos | 20lb
In stock
$168.46 $201.07 -16%
SugarDaddy, 10 L
In stock
$168.29 $231.99 -27%
House & Garden Aqua Flakes Starter Kit
In stock
$167.41 $220.50 -24%
Plant Success Orca | 1gal
Out of stock
$166.98 $223.39 -25%
B'Cuzz Bloom, 5 L
In stock
$166.39 $218.99 -24%
B'cuzz Root, 5 L
In stock
$166.39 $218.99 -24%
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