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Nutrients & Supplements

Soil Amendments
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128
Roots Organics HPK | 1gal - (Case of 4)
In Stock: 6
$48.80 $55.99 -13%
Down to Earth Bone Meal 3-15-0 | 50lb - OMRI Listed
In Stock: 52
$48.52 $97.99 -50%
Down To Earth Rose & Flower Mix 4-8-4 | 50lb (40/PL)
In Stock: 51
$48.52 $89.39 -46%
General Hydroponics Diamond Nectar 0-1-1 - 1gal
In Stock: 192
$48.11 $68.90 -30%
Athena's Aminas, 2.5 gal
In Stock: 5
$48.11 $103.99 -54%
Mega Morpheus, 2.5 gal
In Stock: 3
$48.11 $103.99 -54%
Down to Earth Liquid Calcium 5% | 1gal - OMRI Listed - Makes 128 Gallons - (Case of 4)
Out of stock
$47.97 $69.29 -31%
Dyna-Gro Pro-TeKt, 1 gal
In Stock: 150
$47.72 $61.19 -22%
Optic Foliar Transport, 500 ml
In Stock: 81
$47.65 $72.99 -35%
Xtreme Azos Beneficial Bacteria, 12 oz (340 g)
In Stock: 227
$47.37 $65.99 -28%
Down to Earth Fish Powder 12-1-1 | 5lb - (Case of 5)
In Stock: 190
$47.30 $67.39 -30%
Technaflora MagiCal, 4 L
In Stock: 33
$47.18 $74.99 -37%
Roots Organics HPK 0-4-3, 1 gal
In Stock: 155
$47.10 $71.42 -34%
Roots Organics Elemental, 9 lbs
In Stock: 112
$47.04 $71.27 -34%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 1lb Jar
In Stock: 61
$47.03 $55.99 -16%
Down To Earth Tree & Shrub 4-2-4 | 25lb (40/PL)
Out of stock
$46.98 $63.99 -27%
HEAVY 16 Prime, 32 oz
In Stock: 163
$46.77 $70.87 -34%
CYCO 5L Uptake (2/CS) - (Case of 2)
In Stock: 30
$46.64 $66.11 -29%
Emerald Harvest Root Wizard | 32oz (OR)
In Stock: 31
$46.62 $96.00 -51%
Roots Organics HP2 | 1gal - (Case of 4)
In Stock: 8
$46.56 $52.99 -12%
CYCO Platinum Series Silica 0-0-3 - 5L
In Stock: 64
$46.54 $69.89 -33%
Big Foot Mycorrhizae Granular | 2lb
In Stock: 126
$46.35
Emerald Harvest Cal-Mag, 1 gal
In Stock: 59
$46.20 $70.00 -34%
Grow More Mendocino Avalanche, 1 gal
In Stock: 157
$46.20 $69.99 -34%
Growth Science Organics Root Magic, 2.5 gal
In Stock: 8
$46.20 $349.99 -87%
Sustane 4-6-4 All-Purpose Fertilizer | 50lb - OMRI Listed
In Stock: 296
$45.43 $46.47 -2%
Grotek Rype 3-0-0 | 4L - (Case of 4)
In Stock: 52
$45.41 $119.79 -62%
Roots Organics Bio Force, 1 lb
In Stock: 60
$45.33 $57.22 -21%
Mad Farmer Mother Of All Bloom, 1 kg
In Stock: 278
$45.24 $91.02 -50%
BioBizz Root-Juice 1L
In Stock: 79
$45.10 $68.34 -34%
BioBizz Root-Juice 1L CA & OR only
In Stock: 29
$45.10 $68.34 -34%
HEAVY 16 Fire, 16 oz
In Stock: 1512
$45.04 $68.24 -34%
HEAVY 16 Fire, 16 oz (OR Only)
In Stock: 642
$45.04 $68.24 -34%
HEAVY 16 Roots, 16 oz
In Stock: 1301
$45.04 $68.24 -34%
Roots Organics HP2 0-4-0, 1 gal
In Stock: 249
$44.88 $68.03 -34%
Gaia Green Power Bloom, 10 kg
In Stock: 724
$44.85 $57.19 -22%
Cutting Edge Solutions Cal-Mag Amplified, 1 gal
In Stock: 26
$44.84 $61.99 -28%
Down to Earth Bio-Fish 7-7-2 | 25lb - OMRI Listed
In Stock: 142
$44.68 $61.79 -28%
Grotek Cal Max 2-0-0 | 10L - (Case of 2)
In Stock: 4
$44.66 $134.99 -67%
Down to Earth Liquid All-Purpose 4-1-3 | 1gal - (Case of 4)
In Stock: 52
$44.63 $63.99 -30%
Down to Earth All-Purpose Mix 4-6-2 | 50lb - OMRI Listed
In Stock: 123
$44.47 $82.99 -46%
Down to Earth Acid Mix 4-3-6 | 50lb - For Acid Soil Loving Plants
In Stock: 107
$44.47 $88.99 -50%
Down To Earth Vegetable Garden 4-4-4 | 50lb - OMRI Listed
In Stock: 145
$44.47 $84.29 -47%
Gaia Green Worm Castings, 30L
In Stock: 282
$44.31 $55.99 -21%
Technaflora Thrive Alive B1 Red, 1 L
In Stock: 125
$44.29 $59.99 -26%
Grotek Pro-Silicate 0-0-4 | 10L - (Case of 2)
In Stock: 4
$44.27 $133.99 -67%
Roots Organics Oregonism XL, 1 lb
In Stock: 118
$44.19 $66.95 -34%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 1lb Jar
In Stock: 96
$44.02 $52.99 -17%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 1lb
In Stock: 94
$44.02 $52.99 -17%
General Hydroponics CALiMAGic 1-0-0 - 1gal
In Stock: 518
$43.92 $62.93 -30%
Xtreme Gardening Azos Root Booster | 12oz - (Case of 6)
In Stock: 15
$43.85 $53.77 -18%
FoxFarm Grow Big Hydro Liquid Concentrate, 2.5 gal
In Stock: 28
$43.65 $253.84 -83%
Grotek Bloom Pack
In Stock: 4
$43.64 $132.39 -67%
FoxFarm Bush Doctor Boomerang, 1 gal
In Stock: 114
$43.38 $123.93 -65%
Mother Earth LiquiCraft Grow 4-3-3 - 1gal
In Stock: 27
$43.27 $66.22 -35%
Botanicare Cal-Mag Plus 2-0-0 | 1gal
In Stock: 702
$43.23 $62.90 -31%
Purple Maxx, 1 qt
Out of stock
$43.20 $85.99 -50%
Budswel, 1 gal
In Stock: 678
$43.15 $54.99 -22%
Budswel, 1 gal (CA Only)
In Stock: 694
$43.15 $54.99 -22%
Down to Earth Fish Bone Meal 4-12-0 | 50lb - OMRI Listed
In Stock: 103
$43.14 $79.49 -46%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 1gal - The Silicon Solution - (Case of 4)
In Stock: 68
$43.11 $67.63 -36%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 142oz - Concentrate - OMRI Listed - (Case of 4)
In Stock: 214
$43.08 $56.59 -24%
Aurora Peat Products Procision Advantage, 3.8 cu ft bale
Out of stock
$43.06 $58.72 -27%
Down to Earth Feather Meal 12-0-0 | 20lb - OMRI Listed
In Stock: 54
$42.79 $69.99 -39%
Maxicrop Soluble Seaweed Powder 0-0-17 | 27oz - OMRI Listed - (Case of 6)
In Stock: 42
$42.68 $56.99 -25%
Roots Organics Ancient Amber | 1gal - (Case of 4)
In Stock: 13
$42.58 $48.99 -13%
Xtreme Tea Brews Individual Pouches, 80 g & Microbe Food Packs, 7 g (10 each)
In Stock: 103
$42.52 $63.99 -34%
House & Garden Bud-XL, 1 L
In Stock: 105
$42.41 $64.26 -34%
House & Garden Nitrogen Boost, 1 L
In Stock: 447
$42.41 $64.26 -34%
Down to Earth Cottonseed Meal 6-2-1 | 50lb - All Purpose
In Stock: 107
$42.17 $84.99 -50%
BioAG Ful-Humix | 2.2lb - OMRI Listed - (Case of 4)
Out of stock
$42.07 $57.42 -27%
Technaflora Recipe For Success Starter Kit
In Stock: 229
$42.04 $45.99 -9%
Down to Earth Citrus Mix 6-3-3 | 25lb - OMRI Listed
In Stock: 169
$41.84 $57.89 -28%
Down to Earth Granular Humic Acids | 50lb - OMRI Listed
In Stock: 278
$41.80 $59.99 -30%
FoxFarm Bush Doctor Sledge Hammer, 1 gal
In Stock: 15
$41.80 $117.46 -64%
House & Garden Algen Extract, 500 ml
In Stock: 1066
$41.70 $63.19 -34%
SUPERthrive Vitamin Solution 0.5-0-0 | 16oz
In Stock: 747
$41.58 $45.99 -10%
House & Garden Drip Clean, 1 L
In Stock: 299
$41.58 $63.00 -34%
FoxFarm Grow Big Hydro Liquid Concentrate, 1 gal
In Stock: 74
$41.50 $117.46 -65%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 1gal
In Stock: 20
$41.49 $69.99 -41%
Down to Earth Agmino Powder 14-0-0 | 5lb - (Case of 5)
In Stock: 10
$41.24 $95.29 -57%
Roots Organics Ancient Amber, 1 gal
In Stock: 77
$41.17 $62.36 -34%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 1gal - (Case of 4)
In Stock: 4
$41.05 $53.99 -24%
Nectar for The Gods Persephone's Palate | 1gal - (Case of 4)
Out of stock
$41.05 $53.99 -24%
Biobizz Top-Max, 1 L
In Stock: 92
$41.05 $62.20 -34%
BioBizz Top-Max 1L CA & OR only
In Stock: 49
$41.05 $62.20 -34%
DaKine 420 Sticky Icky Enzymes | 1,000g - (Case of 4)
In Stock: 16
$41.00 $168.99 -76%
Gaia Green All Purpose, 10 kg
In Stock: 834
$40.89 $56.10 -27%
Down to Earth Crab Meal 4-3-0 | 40lb - OMRI Listed
In Stock: 109
$40.43 $81.99 -51%
Down to Earth Bone Meal 3-15-0 | 25lb - OMRI Listed
In Stock: 115
$40.29 $58.29 -31%
Optic Foliar ATAK Concentrate, 24 L
In Stock: 13
$40.17 $303.99 -87%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 25lb - OMRI Listed
In Stock: 1112
$39.99
Grotek Heavy Bud Pro 1-0-3 | 4L - (Case of 4)
In Stock: 56
$39.94 $120.99 -67%
SUPERthrive, 1 pt
In Stock: 73
$39.81 $50.49 -21%
Humboldt Nutrients Master-B, 5 gal
In Stock: 3
$39.73 $300.99 -87%
MILLS START 1 LTR
In Stock: 138
$39.60 $60.00 -34%
GH General Organics BioBud Quart (Case of 12)
In Stock: 49
$39.56 $52.35 -24%
FoxFarm Cha Ching, 2 lbs
In Stock: 323
$39.27 $103.25 -62%
HDI MotherPlant Nutrients Part A | 1gal - (Case of 4)
In Stock: 8
$39.14 $49.07 -20%
General Hydroponics Flora Series Trial Pack | 3pc - 32oz FloraMicro, 32oz FloraGro, and 32oz FloraBloom
In Stock: 267
$39.09
Roots Organics Terp Tea Grow | 9lb - (Case of 3)
In Stock: 9
$39.07 $44.99 -13%
Technaflora B. Seaweed, 4 L
In Stock: 29
$39.05 $176.36 -78%
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: 347
$38.98 $53.89 -28%
Down To Earth Rose & Flower Mix 4-8-4 | 25lb - OMRI Listed
In Stock: 184
$38.98 $53.89 -28%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 1gal - Concentrate - Makes 128gal - OMRI Listed - (Case of 4)
In Stock: 75
$38.87 $49.49 -21%
Grotek Blossom Blaster, 130 g
In Stock: 2287
$38.87 $70.66 -45%
Age Old Grow, 1 gal
In Stock: 44
$38.81 $48.99 -21%
Age Old Bloom, 1 gal
In Stock: 68
$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: 249
$38.77 $49.99 -22%
Technaflora B.C. Boost, 4 L
In Stock: 124
$38.65 $52.99 -27%
Roots Organics Terp Tea Bloom | 9lb - (Case of 3)
In Stock: 59
$38.45 $42.99 -11%
Down to Earth Acid Mix 4-3-6 | 25lb - For Acid Soil Loving Plants
In Stock: 466
$38.40 $52.99 -28%
BioAg Ful-Power | 1 gal
In Stock: 121
$38.37 $52.99 -28%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In Stock: 905
$38.32 $48.02 -20%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 6 gal
In Stock: 32
$38.25 $262.49 -85%
Rhizoflora Terpinator 0-0-4 - 1gal
In Stock: 2
$38.13 $73.22 -48%
Remo Micro, 4 L
In Stock: 16
$38.12 $52.99 -28%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 32oz - (Case of 12)
In Stock: 156
$38.10 $59.25 -36%
Down to Earth Starter Mix 3-3-3 | 25lb - OMRI Listed
Out of stock
$38.03 $51.79 -27%
Neptune's Harvest Fish Fertilizer 2-4-1 | 1gal - Concentrate - OMRI Listed - (Case of 4)
In Stock: 40
$37.77 $48.49 -22%
Botanicare Silica Blast 0-0-0.5 - 1gal
In Stock: 88
$37.66 $54.78 -31%
Soul LBS, 3 lb
In Stock: 128
$37.55 $52.46 -28%
Biobizz Acti-Vera 1L CA & OR only
In Stock: 12
$37.45 $51.58 -27%
Biobizz Acti-Vera 1L
In Stock: 49
$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: 6212
$37.11 $45.99 -19%
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