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Nutrients & Supplements

Soil Amendments
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128
Roots Organics Surge | 32oz
In Stock: 29
$19.98 $20.99 -5%
Aptus MINERAL-CALMAG, 1 L
In Stock: 129
$19.97 $29.00 -31%
Cutting Edge Solutions Bulletproof Si, 1 qt
In Stock: 32
$19.95 $25.99 -23%
Cutting Edge Solutions Cal-Mag Amplified, 1 qt
In Stock: 933
$19.95 $23.99 -17%
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 32oz - (Case of 12)
In Stock: 83
$19.91 $28.09 -29%
CYCO Platinum Series Dr. Repair 3-0-0 - 1L
In Stock: 298
$19.89 $27.36 -27%
Nectar for The Gods Aphrodite's Extraction Carbon 0-1-0 | 32oz
In Stock: 37
$19.89 $23.99 -17%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 32oz
In Stock: 6
$19.89 $23.99 -17%
Humboldt Nutrients Verde, 1 qt
In Stock: 224
$19.72 $28.99 -32%
Age Old Grow, 2.5 gal (OR)
In Stock: 2
$19.64 $96.99 -80%
Cutting Edge Solutions Sugaree, 1 qt
In Stock: 244
$19.59 $24.99 -22%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 6 gal
In Stock: 32
$19.56 $262.49 -93%
SUPERthrive Grow Liquid Plant Food 7-9-5 | 32oz - (Case of 12)
In Stock: 172
$19.55 $29.11 -33%
SUPERthrive Root-Gel Rooting Gel | 4oz - (Case of 12)
In Stock: 24
$19.53 $27.99 -30%
Roots Organics CalMag, 1 qt
In Stock: 173
$19.52 $28.90 -32%
House & Garden Bud-XL, 250 ml
In Stock: 73
$19.49 $26.24 -26%
Gaia Mania, 2.5 gal
In Stock: 2
$19.49 $115.99 -83%
Nectar for the Gods Persephone's Palate, 2.5 gal
In Stock: 1
$19.49 $115.99 -83%
Biobizz CAL-MAG 1L
In Stock: 35
$19.48 $28.86 -33%
Xtreme Azos Beneficial Bacteria, 2 oz
In Stock: 169
$19.45 $25.99 -25%
Technaflora B.C. Boost, 1 L
In Stock: 142
$19.40 $28.21 -31%
Coast of Maine Fish Bone Meal Organic Plant Food 5-13-0, 3 lbs
Out of stock
$19.39 $20.99 -8%
Royal Gold Crown Jewels Grow 3-2-2 | 5lb - (Case of 8)
In Stock: 65
$19.35 $23.99 -19%
Roots Organics Elemental, 3 lbs
In Stock: 43
$19.32 $28.61 -32%
Royal Gold Imperial Boost 0-15-11 | 5lb - (Case of 8)
In Stock: 85
$19.30 $23.99 -20%
Gaia Green All Purpose, 2 kg Pouch
In Stock: 643
$19.29 $25.29 -24%
Coast of Maine Stonington Blend Organic Plant Food, 4 lb
Out of stock
$19.26 $26.99 -29%
Down to Earth Seabird Guano 0-11-0 | 5lb - OMRI Listed - (Case of 6)
In Stock: 1389
$19.21 $29.99 -36%
Royal Gold Crown Jewels Bloom 1-4-2 | 5lb - (Case of 8)
In Stock: 104
$19.20 $23.99 -20%
Grotek Root Force 1-0-0 | 1L - (Case of 6)
In Stock: 60
$19.18
BioAG Ful-Power Purified Fulvic Acid | 32oz - OMRI Listed - (Case of 12)
In Stock: 58
$19.17 $24.42 -21%
BioBizz Bio-Bloom 1L CA & OR only
Out of stock
$19.16 $25.80 -26%
Rhizoflora Terpinator 0-0-4 - 32oz
Out of stock
$19.14 $22.27 -14%
Plant Success Organics Soluble 0.5-0.1-7 | 4oz
In Stock: 36
$19.14 $23.25 -18%
SUPERthrive Foliage-Pro Liquid Plant Food 9-3-6 | 32oz - (Case of 12)
In Stock: 708
$19.13 $29.11 -34%
Emerald Harvest pH Up | 32oz
In Stock: 99
$19.13 $25.50 -25%
Emerald Harvest pH Down | 32oz
In Stock: 87
$19.13 $25.50 -25%
Maxicrop Soluble Seaweed Powder 0-0-17 | 10.7oz - OMRI Listed - (Case of 12)
In Stock: 408
$19.13 $24.99 -23%
FOOP Mist Organic Foliar Spray | 32oz - Ready-to-Use - OMRI Listed - (Case of 12)
Out of stock
$19.09 $24.99 -24%
House & Garden Drip Clean, 250 ml
In Stock: 16
$19.08 $25.70 -26%
House & Garden pH Osmosis Stabilizer, 60 L
In Stock: 23
$19.05 $1,012.20 -98%
MICROBE Life Hydroponics Vitamins & Amino Acids | 32oz - (Case of 12)
In Stock: 36
$19.04 $34.99 -46%
Coop Poop All-Purpose Garden Food by Healthy Grow | 25lb - OMRI Listed
In Stock: 87
$19.01 $23.49 -19%
FoxFarm Cha Ching, 2 lbs
In Stock: 24
$19.01 $103.25 -82%
Nutri-Cycle Primer
In Stock: 10
$19.00 $29.00 -34%
Nutri-Cycle Booster
In Stock: 10
$19.00 $29.00 -34%
Nutri-Cycle Bloomer
In Stock: 10
$19.00 $29.00 -34%
Nutri-Cycle Promoter
In Stock: 10
$19.00 $29.00 -34%
Down to Earth Liquid All-Purpose 4-1-3 | 32oz - (Case of 10)
In Stock: 10
$18.91 $26.69 -29%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 32oz - The Silicon Solution - (Case of 12)
In Stock: 1128
$18.91 $28.05 -33%
HDI Ionic Grow for Soil Plant Nutrient 3-1-4 | 32oz
In Stock: 24
$18.86 $21.34 -12%
Roots Organics Ancient Amber | 32oz
In Stock: 28
$18.72 $19.99 -6%
Roots Organics Buddha Bloom | 32oz
Out of stock
$18.72 $19.99 -6%
Roots Organics HPK | 32oz
In Stock: 28
$18.72 $19.99 -6%
DaKine 420 Atomic Root Powder | 500g - (Case of 4)
In Stock: 16
$18.60 $74.99 -75%
Xtreme Gardening Calcar Foliar Booster | 3oz - (Case of 12)
In Stock: 24
$18.56 $20.64 -10%
FoxFarm Bush Doctor Bembe, 1 gal
In Stock: 17
$18.54 $100.69 -82%
Gaia Green Mineralized Phosphate, 2 kg Pouch
In Stock: 157
$18.48 $18.99 -3%
General Hydroponics Diamond Nectar 0-1-1 - 32oz
In Stock: 307
$18.43 $25.82 -29%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 36oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 204
$18.43 $23.49 -22%
Sustane 4-6-4 Flower & Vegetable Plant Food | 20lb - OMRI Listed
In Stock: 20
$18.41 $25.76 -29%
BioBizz Fish-Mix 1L
Out of stock
$18.41 $27.28 -33%
BioBizz Fish-Mix 1L CA & OR only
In Stock: 14
$18.41 $27.28 -33%
Mother Earth LiquiCraft Grow 4-3-3 - 32oz
In Stock: 94
$18.40 $27.53 -33%
Mother Earth LiquiCraft Bloom 2-4-4 - 32oz
In Stock: 77
$18.40 $27.53 -33%
Roots Organics HP2 0-4-0, 1 qt
In Stock: 981
$18.37 $22.67 -19%
FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 16oz - Concentrate
In Stock: 324
$18.32 $20.99 -13%
Xtreme Gardening Azos Root Booster | 2oz - (Case of 12)
In Stock: 192
$18.31 $21.16 -13%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 32oz
In Stock: 32
$18.25 $21.34 -14%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 32oz
In Stock: 56
$18.25 $21.34 -14%
HDI Ionic Grow Plant Nutrient 3-1-5 | 32oz
In Stock: 72
$18.25 $21.34 -14%
FoxFarm Bush Doctor Boomerang, 1 gal
In Stock: 60
$18.25 $123.93 -85%
Roots Organics Buddha Grow | 32oz
Out of stock
$18.18 $19.99 -9%
Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 32oz
In Stock: 31
$18.08 $21.99 -18%
Nectar for The Gods Hades Down 0-1-0 | 32oz
In Stock: 73
$18.08 $21.99 -18%
Nectar for The Gods Zeus Juice Growth Enhancer | 32oz
In Stock: 10
$18.08 $21.99 -18%
FoxFarm Grow Big Hydro Liquid Concentate, 1 qt
In Stock: 10
$18.04 $36.10 -50%
CYCO Commercial Series Grow 10-5-13 - 750g
In Stock: 27
$18.01 $66.11 -73%
Nectar for The Gods One Shot 3-10-0 | 4lb - (Case of 10)
Out of stock
$18.01 $24.99 -28%
True Organic Tomato & Vegetable Food 4-5-6 | 12lb - Resealable Bag - Covers up to 210sq ft - Use Monthly - OMRI Listed
In Stock: 61
$18.00 $23.99 -25%
Down To Earth Palm Tree Mix 6-2-8 | 5lb - (Case of 6)
In Stock: 330
$17.99
Down To Earth Cactus Mix 2-4-8 | 5lb - (Case of 6)
In Stock: 90
$17.99
General Hydroponics CALiMAGic 1-0-0 - 32oz
In Stock: 2303
$17.97 $25.14 -29%
Grotek Monster Grow Pro 18-36-1 | 500g - (Case of 6)
In Stock: 84
$17.96 $52.99 -66%
Roots Organics Surge, 1 qt
In Stock: 590
$17.94 $26.06 -31%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 1 lb
In Stock: 3137
$17.94 $25.99 -31%
Xtreme Gardening Mykos | 1lb - (Case of 12)
In Stock: 305
$17.91 $21.16 -15%
Growth Science Organics Humic Tonic, 2.5 gal
In Stock: 4
$17.55 $129.99 -86%
FoxFarm Bush Doctor Kangaroots Root Drench Inoculant 0.8-0.1-0.03 | 16oz - Concentrate
In Stock: 302
$17.51 $19.99 -12%
Armory Beneficial Bacteria Blend | 2oz - OMRI Listed
In Stock: 1
$17.47 $30.03 -42%
Emerald Harvest Cal-Mag | 32oz
In Stock: 135
$17.47 $23.00 -24%
Biobizz Bio-Bloom | 1 L
In Stock: 216
$17.42 $25.80 -32%
Biobizz Bio-Grow | 1 L
In Stock: 255
$17.42 $25.80 -32%
BioBizz Bio-Grow 1L CA & OR only
In Stock: 42
$17.42 $25.80 -32%
General Organics CaMg+ Calcium Magnesium Supplement - 32oz
In Stock: 338
$17.40 $24.49 -29%
BioAg Ful-Power | 1 qt
In Stock: 90
$17.37 $25.99 -33%
BioAg Ful-Power | 1 qt (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In Stock: 57
$17.37 $25.99 -33%
Nectar for the Gods One Shot Granules, 4 lb
In Stock: 1
$17.37 $20.99 -17%
MICROBE Life Hydroponics Photosynthesis Plus | 16oz - (Case of 12)
In Stock: 132
$17.29 $32.99 -48%
FoxFarm Grow Big Hydro Liquid Concentrate, 1 gal
In Stock: 55
$17.29 $117.46 -85%
FoxFarm Bush Doctor Sledge Hammer, 1 gal
Out of stock
$17.29 $117.46 -85%
Technaflora B.C. Bloom, 1 L
In Stock: 72
$17.24 $23.99 -28%
Technaflora B.C. Grow, 1 L
In Stock: 84
$17.24 $23.99 -28%
HDI MotherPlant Nutrients Part B | 1gal - (Case of 4)
In Stock: 24
$17.21 $49.07 -65%
Botanicare Cal-Mag Plus 2-0-0 | 32oz
In Stock: 3623
$17.20 $24.13 -29%
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 16oz - (Case of 12)
Out of stock
$17.14 $31.99 -46%
DaKine 420 Shock & Awe Bloom Booster | 1,000g - (Case of 4)
In Stock: 8
$17.12 $68.99 -75%
FoxFarm Bush Doctor Sledgehammer | 16oz -OMRI Listed
In Stock: 141
$17.12 $19.99 -14%
Emerald Harvest Cal-Mag, 1 qt
In Stock: 210
$17.08 $23.00 -26%
Big Foot Mycorrhizae Concentrate | 4oz - Water-in-Root Inoculum
In Stock: 486
$17.00
FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 16oz - Concentrate
In Stock: 135
$16.97 $22.99 -26%
General Organics BioThrive Bloom 2-4-4 | 32oz
In Stock: 439
$16.92 $23.63 -28%
Roots Organics HP2 | 32oz
In Stock: 26
$16.90 $17.99 -6%
Aptus Fasilitor, 250 ml
In Stock: 26
$16.88 $98.00 -83%
Cutting Edge Solutions Grow, 15 gal
Out of stock
$16.88 $359.99 -95%
Bloombastic | 325 ml
In Stock: 451
$16.88 $99.99 -83%
Roots Organics Ancient Amber, 1 qt
In Stock: 339
$16.83 $24.93 -32%
Grotek Root Force 1-0-0 | 500mL - (Case of 6)
In Stock: 30
$16.77
Neptune's Harvest Seaweed Plant Food 0-0-1 | 32oz - Concentrate - Makes 32gal - OMRI Listed - (Case of 12)
In Stock: 84
$16.75 $21.29 -21%
FoxFarm Bush Doctor Boomerang Comeback Formula 2-0.2-0.3 | 16oz
In Stock: 475
$16.58 $18.99 -13%
Down to Earth Liquid Calcium 5% | 32oz - OMRI Listed - (Case of 10)
In Stock: 10
$16.51 $22.99 -28%
Age Old Grow, 32 oz
In Stock: 44
$16.51 $16.99 -3%
Age Old Bloom, 32 oz
In Stock: 86
$16.51 $16.99 -3%
Botanicare Silica Blast 0-0-0.5 - 32oz
In Stock: 548
$16.43 $23.13 -29%
Grotek Blossom Blaster Pro Liquid, 1 L
In Stock: 1730
$16.42 $29.18 -44%
Down to Earth Oyster Shell | 25lb - OMRI Listed
Out of stock
$16.36 $25.99 -37%
Mad Farmer Mother Of All Bloom, 250g
In Stock: 465
$16.32 $32.12 -49%
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 16oz - Concentrate
In Stock: 168
$16.27 $21.99 -26%
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