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Nutrients & Supplements

Soil Amendments
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64
Growth Science Organics Humic Tonic, 2.5 gal
In Stock: 4
$24.75 $129.99 -81%
House & Garden Amino Treatment, 100 ml
In Stock: 573
$24.74 $37.49 -34%
Roots Organics Trinity, 1 qt
In Stock: 47
$24.74 $34.00 -27%
Roots Organics Trinity, 1 qt
In Stock: 391
$24.74 $34.00 -27%
Grotek Blossom Blaster 1-4-0 | 130g
In Stock: 336
$24.47 $74.29 -67%
Mega Morpheus, 5 gal
In Stock: 1
$24.38 $184.99 -87%
Roots Organics Seabird Guano Powder, 9 lbs
In Stock: 20
$24.30 $33.47 -27%
General Hydroponics FloraPro Grow 10-12-22 - 5lb
In Stock: 80
$24.24 $40.25 -40%
General Hydroponics FloraPro Bloom 7-12-27 - 5lb
In Stock: 60
$24.24 $40.25 -40%
Xtreme Mykos Pure Mycorrhizal Inoculum, Wettable Powder, 12 oz
In Stock: 343
$24.18 $34.99 -31%
Soul Sensei Micro, 5 gal
In Stock: 3
$24.10 $182.59 -87%
House & Garden Top Booster, 1 L
In Stock: 306
$24.04 $36.41 -34%
DaKine 420 Bio Minerals | 2,000g - (Case of 4)
In Stock: 16
$24.01 $98.99 -76%
DaKine 420 CalMag | 2,000g - (Case of 4)
In Stock: 4
$24.01 $98.99 -76%
DaKine 420 Sticky Icky Enzymes | 500g - (Case of 4)
In Stock: 28
$24.01 $98.99 -76%
Down to Earth Liquid Bloom 2-6-5 | 32oz - (Case of 10)
In Stock: 10
$23.99
Athena's Aminas, 1 gal
Out of stock
$23.92 $51.99 -54%
Pegasus Potion, 1 gal
In Stock: 8
$23.81 $51.99 -54%
Roots Organics Oregonism XL, 8 oz
In Stock: 150
$23.52 $35.63 -34%
Down to Earth Kelp Meal 1-0.1-2 | 4lb - OMRI Listed
In Stock: 1068
$23.51 $33.99 -31%
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 32oz - (Case of 12)
In Stock: 102
$23.46 $43.99 -47%
Neptune's Harvest Kelp Meal Multi-Purpose Plant Food 1-0-2 | 4lb - OMRI Listed - (Case of 6)
In Stock: 42
$23.28 $29.99 -22%
HDI Europonic FossilFuel Liquid Humic Acids | 1gal - (Case of 4)
Out of stock
$23.23 $54.99 -58%
Emerald Harvest Bloom, 1 gal
In Stock: 65
$23.10 $35.00 -34%
Roots Organics Trinity | 32oz
In Stock: 34
$23.07 $25.99 -11%
Grotek Vitamax Pro, 1 L
In Stock: 1043
$22.74 $31.02 -27%
CYCO Commercial Series Bloom 8-6-11 - 750g
In Stock: 79
$22.70 $66.11 -66%
Grow More Mendocino Honey, 1 gal
In Stock: 391
$22.66 $33.99 -33%
MICROBE Life Hydroponics Photosynthesis Plus | 32oz - (Case of 12)
In Stock: 108
$22.65 $42.99 -47%
Emerald Harvest Grow | 1gal - (Case of 4)
In Stock: 11
$22.65 $35.00 -35%
Emerald Harvest Bloom | 1gal - (Case of 4)
In Stock: 10
$22.65 $35.00 -35%
Humboldt Nutrients Master-B, 2.5 gal
In Stock: 1
$22.57 $170.99 -87%
Gaia Green Power Bloom, 2 kg Pouch
In Stock: 762
$22.47 $28.59 -21%
Rainbow Mix "PRO" Grow 8-6-3, 40 lbs
In Stock: 222
$22.40 $175.49 -87%
Coast of Maine Kelp Meal Organic Plant Food 1-0-1, 4 lbs
Out of stock
$22.29 $22.99 -3%
Xtreme Gardening Mykos WP | 12oz - Wettable Powder - (Case of 12)
In Stock: 93
$22.08 $27.07 -18%
Dyna-Gro Grow, 1 qt
In Stock: 83
$21.98 $25.48 -14%
Coast of Maine Squid All Natural Liquid Plant Food 2-3-0, 1 qt
In Stock: 27
$21.90 $24.99 -12%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 32oz - 3% Calcium - 0.9% Magnesium - OMRI Listed - (Case of 12)
In Stock: 144
$21.83 $26.99 -19%
SugarDaddy, 1 L
In Stock: 177
$21.82 $33.99 -36%
FOOP Garden Organic Plant Fertilizer | 32oz - Concentrate - OMRI Listed - (Case of 12)
Out of stock
$21.78 $24.99 -13%
General Hydroponics FloraKleen - 1gal
In Stock: 95
$21.71 $30.99 -30%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 32oz
In Stock: 224
$21.71 $30.99 -30%
Xtreme Gardening Mykos Root Paks | 50ct - (Case of 6)
In Stock: 12
$21.67 $26.58 -18%
HYGROZYME Horticultural Horticulture Enzyme Formula | 500mL (16.9oz)
In Stock: 22
$21.60 $24.43 -12%
Key Grow Solutions Green Dragon 0-0-18 | 1gal - (Case of 4)
In Stock: 160
$21.56 $119.99 -82%
Key Grow Solutions Silver Rabbit 7-20-4 | 1gal - (Case of 4)
In Stock: 44
$21.56 $119.99 -82%
Cutting Edge Solutions Bulletproof Si, 1 qt
In Stock: 16
$21.45 $25.99 -17%
Botanicare Pure Blend Pro Soil 1-4-5 - 32oz
In Stock: 496
$21.29 $30.37 -30%
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 32oz
In Stock: 642
$21.29 $30.37 -30%
HDI Clonex Clone Solution | 32oz
In Stock: 1401
$21.29 $26.68 -20%
Optic Foliar Switch, 1 L
In Stock: 33
$21.25 $32.99 -36%
Vegamatrix Prime Zyme, 5 gal
In Stock: 24
$21.24 $568.99 -96%
Dyna-Gro Pro-TeKt, 1 qt
In Stock: 67
$21.20 $25.50 -17%
General Hydroponics Liquid KoolBloom 0-10-10 - 32oz
In Stock: 357
$21.17 $30.18 -30%
FoxFarm Beastie Bloomz, 1 lb
In Stock: 1381
$21.07 $59.35 -64%
BioAG Ful-Humix | 300g - (Case of 12)
In Stock: 60
$21.04 $28.71 -27%
BioAG TM-7 | 300g - (Case of 12)
In Stock: 36
$21.04 $28.71 -27%
HDI Clonex Mist Root Promoter | 300mL - (Case of 6)
In Stock: 53
$21.00 $26.32 -20%
Biobizz CAL-MAG 1L
In Stock: 26
$20.95 $28.86 -27%
Technaflora B.C. Boost, 1 L
In Stock: 136
$20.87 $28.21 -26%
HEAVY 16 Finish, 32 oz
In Stock: 2877
$20.78 $31.49 -34%
General Hydroponics ARMOR SI 0-0-4 - 32oz - CA Restriction
In Stock: 63
$20.74 $29.80 -30%
General Hydroponics ARMOR SI 0-0-4 | 32oz
In Stock: 305
$20.74 $29.80 -30%
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