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Nutrients & Supplements

Soil Amendments
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64
Roots Organics Terp Tea Grow, 9 lb
In Stock: 297
$39.20 $53.99 -27%
Herculean Harvest, 2.5 gal
Out of stock
$39.19 $86.49 -55%
General Hydroponics Flora Series Trial Pack | 3pc - 32oz FloraMicro, 32oz FloraGro, and 32oz FloraBloom
In Stock: 286
$39.09 $39.35 -1%
Down to Earth Soluble Root Growth Enhancer | 1lb - OMRI Listed - (Case of 6)
Out of stock
$39.01 $59.99 -35%
Down To Earth Fruit Tree 6-2-4 | 25lb - OMRI Listed
In Stock: 279
$38.98 $53.89 -28%
Down To Earth Rose & Flower Mix 4-8-4 | 25lb - OMRI Listed
In Stock: 157
$38.98 $53.89 -28%
Royal Gold Imperial Boost 0-15-11 | 10lb - (Case of 4)
In Stock: 35
$38.97 $48.24 -19%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In Stock: 885
$38.93 $48.02 -19%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 1gal - Concentrate - Makes 128gal - OMRI Listed - (Case of 4)
In Stock: 51
$38.87 $49.49 -21%
Grotek Blossom Blaster, 130 g
In Stock: 2227
$38.87 $70.66 -45%
Age Old Grow, 1 gal
In Stock: 45
$38.81 $48.99 -21%
Age Old Bloom, 1 gal
In Stock: 48
$38.81 $48.99 -21%
Age Old Kelp, 1 gal
In Stock: 27
$38.81 $48.99 -21%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In Stock: 245
$38.77 $49.99 -22%
HDI Ionic Grow Plant Nutrient 3-1-5 | 1gal - (Case of 4)
In Stock: 61
$38.61 $46.24 -17%
Down to Earth Acid Mix 4-3-6 | 25lb - For Acid Soil Loving Plants
In Stock: 365
$38.40 $52.99 -28%
BioAg Ful-Power | 1 gal
In Stock: 96
$38.37 $52.99 -28%
BioAg Ful-Power | 1 gal (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In Stock: 7
$38.37 $52.99 -28%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 1gal - (Case of 4)
In Stock: 88
$38.31 $46.24 -17%
FoxFarm Grow Big Hydro Liquid Concentrate, 2.5 gal
In Stock: 26
$38.29 $253.84 -85%
Royal Gold Crown Jewels Bloom 1-4-2 | 10lb - (Case of 4)
In Stock: 76
$38.25 $48.78 -22%
Royal Gold Crown Jewels Grow 3-2-2 | 10lb - (Case of 4)
In Stock: 144
$38.25 $48.78 -22%
Down to Earth Starter Mix 3-3-3 | 25lb - OMRI Listed
Out of stock
$38.03 $51.79 -27%
Grotek Pro-Silicate, 4 L
In Stock: 757
$37.91 $46.99 -19%
Neptune's Harvest Fish Fertilizer 2-4-1 | 1gal - Concentrate - OMRI Listed - (Case of 4)
In Stock: 99
$37.77 $48.49 -22%
Botanicare Silica Blast 0-0-0.5 - 1gal
In Stock: 112
$37.66 $57.52 -35%
Soul LBS, 3 lb
In Stock: 128
$37.55 $52.46 -28%
Biobizz Acti-Vera 1L
In Stock: 41
$37.45 $51.58 -27%
Roots Organics Oregonism XL Root Growth Enhancer | 1lb - (Case of 12)
In Stock: 17
$37.37 $54.99 -32%
Grotek Monster Bloom, 500 g
In Stock: 2908
$37.11 $45.99 -19%
Great White Premium Mycorrhizae, 4 oz
In Stock: 448
$36.71 $44.99 -18%
Grotek Vitamax Pro 1-1-1 | 4L - (Case of 4)
In Stock: 108
$36.54 $85.79 -57%
FoxFarm Grow Big Liquid Concentrate, 2.5 gal
Out of stock
$36.45 $241.57 -85%
FoxFarm Tiger Bloom Liquid Concentrate, 2.5 gal
Out of stock
$36.30 $241.61 -85%
Down To Earth Vegetable Garden 4-4-4 | 25lb - OMRI Listed
In Stock: 62
$36.13 $49.99 -28%
Down to Earth All-Purpose Mix 4-6-2 | 25lb - OMRI Listed
In Stock: 308
$36.13 $49.99 -28%
HYGROZYME Horticultural Horticulture Enzyme Formula | 1L (0.26gal)
In Stock: 24
$36.09 $39.00 -7%
Plant Success Orca | 16oz
In Stock: 55
$35.89 $44.11 -19%
SUPERthrive Root-Gel Rooting Gel | 8oz - (Case of 12)
Out of stock
$35.80 $51.99 -31%
Grotek Insta-Green 3-0-0 | 4L - (Case of 4)
In Stock: 47
$35.76 $44.99 -21%
Big Foot Mycorrhizae Gold | 4oz
In Stock: 154
$35.72
Botanicare Hydroplex Bloom 0-10-6 - 32oz
In Stock: 85
$35.67 $54.45 -34%
Plant Success Great White Premium Mycorrhizae | 4oz
In Stock: 288
$35.64 $45.16 -21%
Down to Earth Liquid Bone Meal 0-12-0 | 1gal - (Case of 4)
Out of stock
$35.47 $48.99 -28%
Magnesium Sulfate Epsom Salts | 50lb (49/PL) - OMRI Listed
In Stock: 1088
$35.44 $36.25 -2%
Nectar for The Gods Olympus Up | 1gal - (Case of 4)
In Stock: 12
$35.36 $42.99 -18%
Roots Organics Uprising Bloom, 9 lbs
In Stock: 223
$35.28 $48.59 -27%
Roots Organics Uprising Foundation, 9 lbs
In Stock: 327
$35.28 $48.59 -27%
Roots Organics Uprising Grow, 9 lbs
In Stock: 249
$35.28 $48.59 -27%
DaKine 420 Atomic Root Powder | 1,000g - (Case of 4)
In Stock: 12
$35.18 $144.99 -76%
Down to Earth Fish Bone Meal 4-12-0 | 25lb - OMRI Listed
In Stock: 147
$35.18 $48.99 -28%
Technaflora B.C. Boost, 4 L
In Stock: 176
$35.14 $52.99 -34%
CYCO 5L Kleanse (2/CS) - (Case of 2)
In Stock: 2
$34.97 $50.04 -30%
FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 32oz - Concentrate
In Stock: 192
$34.93 $40.99 -15%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 2.5gal - (Case of 2)
In Stock: 39
$34.85 $99.65 -65%
Mad Farmer Oxygenator, 6 gal
In Stock: 205
$34.65 $209.99 -83%
Remo Micro, 4 L
Out of stock
$34.65 $52.99 -35%
Remo Magnifical, 4 L
In Stock: 1
$34.65 $52.99 -35%
HEAVY 16 Foliar, 32 oz
In Stock: 290
$34.64 $52.49 -34%
CYCO 5L Potash Plus (2/CS) - (Case of 2)
In Stock: 28
$34.54 $67.05 -48%
Roots Organics Rain, 1 qt
In Stock: 163
$34.43 $52.15 -34%
Grotek Blossom Blaster Pro 1-4-0 | 4L - (Case of 4)
In Stock: 52
$34.37 $104.29 -67%
MegaPhos SP Phosphorus Solubilizing Microbe | 2oz - OMRI Listed
Out of stock
$34.20 $36.57 -6%
BioAG Cytoplus | 300g - (Case of 12)
In Stock: 60
$34.15 $43.07 -21%
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