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Nutrients & Supplements

Soil Amendments
South Cascade Organics SLF-100, 2.5 gal
In Stock: 7
$257.03 $314.99 -18%
Roots Organics Extreme Serene | 1gal
Out of stock
$113.11 $114.99 -2%
Grotek Vitamax Plus 1-1-2 | 10L - (Case of 2)
Out of stock
$385.98 / $192.99 per unit
(minimum purchase of 2)
Mad Farmer Mother Of All Bloom, 5 lb (2.3 kg)
In Stock: 57
$82.82 $136.49 -39%
SUPERthrive Vitamin Solution 0.5-0-0 | 32oz
In Stock: 539
$76.27 $79.99 -5%
Roots Organics Uprising Grow, 3 lbs
In Stock: 1374
$15.86 $19.43 -18%
Roots Organics Terp Tea Bloom, 9 lb
In Stock: 197
$36.72 $53.99 -32%
Nectar for The Gods Triton's Trawl Fishbone Meal 0.5-4-0 | 32oz
Out of stock
$11.25 $12.99 -13%
Emerald Harvest Kick Starter Kit 2-Part Base
Out of stock
$190.40 $220.00 -13%
Roots Organics Phos Rock, 55 lb
Out of stock
$79.98 $118.80 -33%
FoxFarm Grow Big Fertilizer 6-4-4 | 1gal - Concentrate
In Stock: 116
$92.18 $112.99 -18%
Down to Earth Granular Humic Acids | 1lb - OMRI Listed - (Case of 12)
Out of stock
$34.08 / $2.84 per unit
(minimum purchase of 12)
FoxFarm Bush Doctor Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 1gal
In Stock: 18
$137.66 $151.99 -9%
Down to Earth All-Purpose Mix 4-6-2 | 3pk - 5lb - OMRI Listed
In Stock: 164
$30.44 $39.39 -23%
Grotek Vital 5% Calcium | 1L - (Case of 6)
In Stock: 60
$89.04 / $14.84 per unit
(minimum purchase of 6)
Biobizz Top-Max, 200 L
Out of stock
$4,022.47 $4,929.50 -18%
Vegamatrix Prime Zyme, 5 gal
Out of stock
$21.88 $568.99 -96%
Emerald Harvest King Kola 0.3-2-3 | 55gal (FL, NM, PA)
Out of stock
$4,085.72 $4,285.71 -5%
B'Cuzz Root, 5 L
In Stock: 37
$163.98 $218.99 -25%
Emerald Harvest Emerald Goddess, 2.5 gal - (Case of 2)
Out of stock
$516.80 / $258.40 per unit
(minimum purchase of 2)
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 15lb Jar
In Stock: 57
$240.24 $267.99 -10%
Nitryx SP Nitrogen Fixing Bacteria | 20lb - OMRI Listed
Out of stock
$1,197.90
Emerald Harvest Micro, 2.5 gal - (Case of 2)
Out of stock
$149.62 / $74.81 per unit
(minimum purchase of 2)
Emerald Harvest pH Down, 55 gal
In Stock: 6
$1,985.60 $2,750.00 -28%
Microbe Life Plus-C, 1 qt (CA)
In Stock: 113
$27.38 $32.99 -17%
Microbe Life Hydroponics Terps Plus, 1 gal
In Stock: 67
$83.87 $111.99 -25%
FoxFarm Happy Frog Jump Start Fertilizer 3-4-3 | 4lb - OMRI Listed - (Case of 12)
In Stock: 156
$145.56 / $12.13 per unit
(minimum purchase of 12)
HEAVY 16 Prime, 32 oz
In Stock: 270
$48.18 $70.87 -32%
Grotek Growth Booster 16-40-0 | 300g - (Case of 6)
Out of stock
$1,139.94 / $189.99 per unit
(minimum purchase of 6)
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 2lb Jar
In Stock: 28
$89.11 $97.99 -9%
Grotek Vitamax Plus 1-1-2 | 4L - (Case of 4)
Out of stock
$399.96 / $99.99 per unit
(minimum purchase of 4)
HEAVY 16 Roots, 16 oz
In Stock: 947
$46.40 $68.24 -32%
Down to Earth Kelp Meal 1-0.1-2 | 50lb - OMRI Listed
In Stock: 54
$215.87 $287.99 -25%
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 32oz - Concentrate
In Stock: 126
$32.52 $38.99 -17%
Remo Magnifical, 4 L
In Stock: 53
$35.70 $52.99 -33%
Grotek Root Force 1-0-0 | 500mL - (Case of 6)
Out of stock
$157.14 / $26.19 per unit
(minimum purchase of 6)
Grotek Synergy | 400g - (Case of 6)
Out of stock
$830.94 / $138.49 per unit
(minimum purchase of 6)
Remo Magnifical, 1 L
Out of stock
$4.16 $22.99 -82%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 16oz - OMRI Listed - (Case of 12)
In Stock: 24
$268.32 / $22.36 per unit
(minimum purchase of 12)
Emerald Harvest Sturdy Stalk, 2.5 gal - (Case of 2)
In Stock: 10
$342.78 / $171.39 per unit
(minimum purchase of 2)
Mad Farmer Mother Of All Bloom, 100lb (45.3kg)
In Stock: 13
$961.50 $1,124.55 -14%
Microbe Life Photosynthesis Plus, 1 gal
In Stock: 29
$73.18 $97.99 -25%
Gaia Green Greensand, 20 kg U.S. (NA02)
In Stock: 13
$107.70 $131.99 -18%
General Organics BioThrive Bloom 2-4-4 | 1gal
In Stock: 134
$52.40 $77.76 -33%
House & Garden Drip Clean, 1 L
In Stock: 330
$47.12 $63.00 -25%
Emerald Harvest Micro | 32oz
In Stock: 72
$13.26 $18.00 -26%
Roots Organics CalMag, 2.5 gal
In Stock: 81
$147.44 $214.31 -31%
Coco-Wet Organic Wetting Agent, 1 gal
In Stock: 1
$81.62 $92.99 -12%
Optic Foliar Switch, 4 L
In Stock: 186
$69.10 $101.99 -32%
BioAG Ful-Humix | 300g - (Case of 12)
In Stock: 60
$296.16 / $24.68 per unit
(minimum purchase of 12)
Emerald Harvest Cal-Mag, 6 gal
In Stock: 23
$170.00 $250.00 -32%
emerald Harvest Cali Pro Bloom A, 270 gal
Out of stock
$4,752.00 $5,142.86 -8%
Grow More Hula Bloom 0-50-30, 25 lbs
In Stock: 141
$107.36 $131.99 -19%
FoxFarm Cultivation Nation Flower, 50 lb
Out of stock
$64.54 $416.95 -85%
Coast of Maine Lobster Meal Organic Plant Food 6-2-0, 4 lbs
In Stock: 8
$18.96 $20.99 -10%
Grow More Hawaiian Bud, 25 lbs
In Stock: 72
$105.39 $128.99 -18%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 6 gal
In Stock: 30
$19.71 $262.49 -92%
Roots Organics CalMag, 1 gal
Out of stock
$66.40 $96.39 -31%
Grotek Biofuse | 100g - (Case of 12)
Out of stock
$189.60 / $15.80 per unit
(minimum purchase of 12)
Dip N Grow Rooting Hormone | 1pt
In Stock: 107
$60.64
Emerald Harvest Grow | 1gal - (Case of 4)
In Stock: 12
$106.72 / $26.68 per unit
(minimum purchase of 4)
Mad Farmer Be One, 6 gal
In Stock: 20
$271.32 $440.99 -38%
Great White Premium Mycorrhizae, 5 lbs
In Stock: 3
$425.61 $559.99 -24%
Remo Bloom, 4 L
In Stock: 15
$33.32 $48.99 -32%
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