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Nutrients & Supplements

Soil Amendments
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128
Roots Organics Surge | 32oz
In Stock: 29
$19.54 $20.99 -7%
Aptus MINERAL-CALMAG, 1 L
In Stock: 129
$19.52 $29.00 -33%
Cutting Edge Solutions Cal-Mag Amplified, 1 qt
In Stock: 944
$19.51 $23.99 -19%
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 32oz - (Case of 12)
In Stock: 83
$19.47 $28.09 -31%
CYCO Platinum Series Dr. Repair 3-0-0 - 1L
In Stock: 298
$19.44 $27.36 -29%
Nectar for The Gods Aphrodite's Extraction Carbon 0-1-0 | 32oz
In Stock: 37
$19.44 $23.99 -19%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 32oz
In Stock: 3
$19.44 $23.99 -19%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 1 lb
In Stock: 3092
$19.31 $25.99 -26%
Roots Organics Surge, 1 qt
In Stock: 577
$19.30 $26.06 -26%
Age Old Grow, 2.5 gal (OR)
In Stock: 2
$19.21 $96.99 -80%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 6 gal
In Stock: 32
$19.13 $262.49 -93%
SUPERthrive Grow Liquid Plant Food 7-9-5 | 32oz - (Case of 12)
In Stock: 136
$19.11 $29.11 -34%
Royal Gold Imperial Boost 0-15-11 | 5lb - (Case of 8)
In Stock: 101
$19.11 $25.31 -24%
SUPERthrive Root-Gel Rooting Gel | 4oz - (Case of 12)
Out of stock
$19.10 $27.99 -32%
Roots Organics CalMag, 1 qt
In Stock: 337
$19.09 $28.90 -34%
Gaia Mania, 2.5 gal
Out of stock
$19.06 $115.99 -84%
Nectar for the Gods Persephone's Palate, 2.5 gal
In Stock: 1
$19.06 $115.99 -84%
Biobizz CAL-MAG 1L
In Stock: 35
$19.05 $28.86 -34%
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%
Technaflora B.C. Boost, 1 L
In Stock: 164
$18.97 $28.21 -33%
Royal Gold Crown Jewels Grow 3-2-2 | 5lb - (Case of 8)
In Stock: 41
$18.90 $24.84 -24%
Sustane 4-6-4 Flower & Vegetable Plant Food | 20lb - OMRI Listed
In Stock: 20
$18.90 $26.99 -30%
Roots Organics Elemental, 3 lbs
In Stock: 516
$18.89 $28.61 -34%
Gaia Green All Purpose, 2 kg Pouch
In Stock: 414
$18.86 $25.29 -25%
Down to Earth Seabird Guano 0-11-0 | 5lb - OMRI Listed - (Case of 6)
In Stock: 14
$18.78 $29.99 -37%
Royal Gold Crown Jewels Bloom 1-4-2 | 5lb - (Case of 8)
In Stock: 56
$18.77 $24.84 -24%
Grotek Root Force 1-0-0 | 1L - (Case of 6)
In Stock: 60
$18.76
BioAG Ful-Power Purified Fulvic Acid | 32oz - OMRI Listed - (Case of 12)
In Stock: 58
$18.74 $24.42 -23%
Biobizz Bio-Bloom | 1 L
In Stock: 188
$18.73 $25.80 -27%
Biobizz Bio-Grow | 1 L
In Stock: 258
$18.73 $25.80 -27%
BioBizz Bio-Grow 1L CA & OR only
In Stock: 26
$18.73 $25.80 -27%
Rhizoflora Terpinator 0-0-4 - 32oz
Out of stock
$18.72 $22.27 -16%
Plant Success Organics Soluble 0.5-0.1-7 | 4oz
In Stock: 272
$18.72 $23.25 -19%
SUPERthrive Foliage-Pro Liquid Plant Food 9-3-6 | 32oz - (Case of 12)
In Stock: 588
$18.70 $29.11 -36%
Emerald Harvest pH Up | 32oz
In Stock: 99
$18.70 $25.50 -27%
Emerald Harvest pH Down | 32oz
In Stock: 87
$18.70 $25.50 -27%
Maxicrop Soluble Seaweed Powder 0-0-17 | 10.7oz - OMRI Listed - (Case of 12)
In Stock: 372
$18.70 $24.99 -25%
Grow More Sea Grow All Purpose, 25 lb
In Stock: 1
$18.68 $93.99 -80%
FOOP Mist Organic Foliar Spray | 32oz - Ready-to-Use - OMRI Listed - (Case of 12)
Out of stock
$18.66 $24.99 -25%
House & Garden Drip Clean, 250 ml
In Stock: 19
$18.65 $25.70 -27%
House & Garden pH Osmosis Stabilizer, 60 L
In Stock: 23
$18.63 $1,012.20 -98%
MICROBE Life Hydroponics Vitamins & Amino Acids | 32oz - (Case of 12)
In Stock: 36
$18.61 $34.99 -47%
Coop Poop All-Purpose Garden Food by Healthy Grow | 25lb - OMRI Listed
Out of stock
$18.59 $23.49 -21%
FoxFarm Cha Ching, 2 lbs
Out of stock
$18.59 $103.25 -82%
Down to Earth Liquid All-Purpose 4-1-3 | 32oz - (Case of 10)
In Stock: 10
$18.49 $26.69 -31%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 32oz - The Silicon Solution - (Case of 12)
In Stock: 1080
$18.49 $28.05 -34%
HDI Ionic Grow for Soil Plant Nutrient 3-1-4 | 32oz
In Stock: 24
$18.44 $21.34 -14%
Roots Organics Ancient Amber | 32oz
In Stock: 24
$18.31 $19.99 -8%
Roots Organics Buddha Bloom | 32oz
Out of stock
$18.31 $19.99 -8%
Roots Organics HPK | 32oz
In Stock: 16
$18.31 $19.99 -8%
DaKine 420 Atomic Root Powder | 500g - (Case of 4)
In Stock: 16
$18.19 $74.99 -76%
Xtreme Gardening Calcar Foliar Booster | 3oz - (Case of 12)
In Stock: 24
$18.15 $20.64 -12%
FoxFarm Bush Doctor Bembe, 1 gal
In Stock: 11
$18.12 $100.69 -82%
Gaia Green Mineralized Phosphate, 2 kg Pouch
In Stock: 299
$18.07 $18.99 -5%
General Hydroponics Diamond Nectar 0-1-1 - 32oz
In Stock: 288
$18.02 $27.63 -35%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 36oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 707
$18.02 $23.49 -23%
BioBizz Fish-Mix 1L
In Stock: 16
$18.00 $27.28 -34%
Mother Earth LiquiCraft Grow 4-3-3 - 32oz
In Stock: 94
$17.99 $27.53 -35%
Mother Earth LiquiCraft Bloom 2-4-4 - 32oz
In Stock: 71
$17.99 $27.53 -35%
Down To Earth Palm Tree Mix 6-2-8 | 5lb - (Case of 6)
In Stock: 306
$17.99
Down To Earth Cactus Mix 2-4-8 | 5lb - (Case of 6)
In Stock: 386
$17.99
FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 16oz - Concentrate
In Stock: 321
$17.91 $20.99 -15%
Xtreme Gardening Azos Root Booster | 2oz - (Case of 12)
In Stock: 84
$17.90 $21.16 -15%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 32oz
In Stock: 140
$17.85 $21.34 -16%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 32oz
In Stock: 80
$17.85 $21.34 -16%
HDI Ionic Grow Plant Nutrient 3-1-5 | 32oz
In Stock: 84
$17.85 $21.34 -16%
FoxFarm Bush Doctor Boomerang, 1 gal
In Stock: 54
$17.85 $123.93 -86%
Roots Organics Buddha Grow | 32oz
Out of stock
$17.78 $19.99 -11%
Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 32oz
In Stock: 30
$17.67 $21.99 -20%
Nectar for The Gods Hades Down 0-1-0 | 32oz
In Stock: 85
$17.67 $21.99 -20%
Nectar for The Gods Zeus Juice Growth Enhancer | 32oz
In Stock: 10
$17.67 $21.99 -20%
FoxFarm Grow Big Hydro Liquid Concentate, 1 qt
In Stock: 6
$17.64 $36.10 -51%
CYCO Commercial Series Grow 10-5-13 - 750g
In Stock: 27
$17.61 $66.11 -73%
Nectar for The Gods One Shot 3-10-0 | 4lb - (Case of 10)
Out of stock
$17.61 $24.99 -30%
True Organic Tomato & Vegetable Food 4-5-6 | 12lb - Resealable Bag - Covers up to 210sq ft - Use Monthly - OMRI Listed
In Stock: 61
$17.60 $23.99 -27%
General Hydroponics CALiMAGic 1-0-0 - 32oz
In Stock: 2197
$17.57 $26.90 -35%
Grotek Monster Grow Pro 18-36-1 | 500g - (Case of 6)
In Stock: 84
$17.56 $52.99 -67%
Xtreme Gardening Mykos | 1lb - (Case of 12)
In Stock: 38
$17.52 $21.16 -17%
House & Garden Bud-XL, 250 ml
In Stock: 73
$17.33 $26.24 -34%
Xtreme Azos Beneficial Bacteria, 2 oz
In Stock: 156
$17.28 $25.99 -34%
Growth Science Organics Humic Tonic, 2.5 gal
In Stock: 4
$17.16 $129.99 -87%
FoxFarm Bush Doctor Kangaroots Root Drench Inoculant 0.8-0.1-0.03 | 16oz - Concentrate
In Stock: 289
$17.12 $19.99 -14%
Armory Beneficial Bacteria Blend | 2oz - OMRI Listed
In Stock: 1
$17.08 $30.03 -43%
Emerald Harvest Cal-Mag | 32oz
In Stock: 132
$17.08 $23.00 -26%
BioBizz Bio-Bloom 1L CA & OR only
In Stock: 16
$17.03 $25.80 -34%
General Organics CaMg+ Calcium Magnesium Supplement - 32oz
In Stock: 313
$17.01 $26.20 -35%
Big Foot Mycorrhizae Concentrate | 4oz - Water-in-Root Inoculum
In Stock: 343
$17.00
BioAg Ful-Power | 1 qt
In Stock: 102
$16.99 $25.99 -35%
BioAg Ful-Power | 1 qt (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In Stock: 57
$16.99 $25.99 -35%
Plant Success Organics Granular, 1 lb
In Stock: 22
$16.95 $20.99 -19%
MICROBE Life Hydroponics Photosynthesis Plus | 16oz - (Case of 12)
In Stock: 132
$16.91 $32.99 -49%
FoxFarm Grow Big Hydro Liquid Concentrate, 1 gal
In Stock: 38
$16.91 $117.46 -86%
FoxFarm Bush Doctor Sledge Hammer, 1 gal
Out of stock
$16.91 $117.46 -86%
HDI MotherPlant Nutrients Part B | 1gal - (Case of 4)
In Stock: 24
$16.83 $49.07 -66%
Botanicare Cal-Mag Plus 2-0-0 | 32oz
In Stock: 3456
$16.82 $25.82 -35%
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 16oz - (Case of 12)
Out of stock
$16.76 $31.99 -48%
DaKine 420 Shock & Awe Bloom Booster | 1,000g - (Case of 4)
In Stock: 8
$16.74 $68.99 -76%
FoxFarm Bush Doctor Sledgehammer | 16oz -OMRI Listed
In Stock: 164
$16.74 $19.99 -16%
Emerald Harvest Cal-Mag, 1 qt
In Stock: 212
$16.70 $23.00 -27%
FoxFarm Tiger Bloom Liquid Concentrate, 1 qt
Out of stock
$16.62 $33.29 -50%
FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 16oz - Concentrate
In Stock: 195
$16.59 $22.99 -28%
General Organics BioThrive Bloom 2-4-4 | 32oz
In Stock: 390
$16.54 $25.28 -35%
Roots Organics HP2 | 32oz
In Stock: 26
$16.53 $17.99 -8%
Down to Earth Liquid Calcium 5% | 32oz - OMRI Listed - (Case of 10)
In Stock: 10
$16.51 $22.99 -28%
Aptus Fasilitor, 250 ml
In Stock: 1
$16.50 $98.00 -83%
Cutting Edge Solutions Grow, 15 gal
Out of stock
$16.50 $359.99 -95%
Bloombastic | 325 ml
In Stock: 421
$16.50 $99.99 -83%
Roots Organics Ancient Amber, 1 qt
In Stock: 335
$16.46 $24.93 -34%
Roots Organics HPK 0-4-3, 1 qt
In Stock: 405
$16.46 $24.93 -34%
Roots Organics Buddha Bloom 1qt
In Stock: 98
$16.46 $24.93 -34%
Grotek Root Force 1-0-0 | 500mL - (Case of 6)
In Stock: 30
$16.39
Neptune's Harvest Seaweed Plant Food 0-0-1 | 32oz - Concentrate - Makes 32gal - OMRI Listed - (Case of 12)
In Stock: 732
$16.38 $21.29 -23%
FoxFarm Bush Doctor Boomerang Comeback Formula 2-0.2-0.3 | 16oz
In Stock: 451
$16.21 $18.99 -15%
Age Old Grow, 32 oz
In Stock: 54
$16.14 $16.99 -5%
Age Old Bloom, 32 oz
In Stock: 69
$16.14 $16.99 -5%
Mother Earth Floressence Bloom Supplement 1-1-1 - 32oz
In Stock: 73
$16.13 $32.53 -50%
Botanicare Silica Blast 0-0-0.5 - 32oz
In Stock: 508
$16.06 $24.75 -35%
Grotek Blossom Blaster Pro Liquid, 1 L
In Stock: 1670
$16.05 $29.18 -45%
Down to Earth Oyster Shell | 25lb - OMRI Listed
Out of stock
$16.00 $25.99 -38%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 5oz
In Stock: 139
$15.99
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 16oz - Concentrate
In Stock: 456
$15.91 $21.99 -28%
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 16oz - Concentrate
In Stock: 348
$15.88 $21.99 -28%
Grotek Biofuse | 300g - (Case of 6)
In Stock: 138
$15.83 $30.29 -48%
FoxFarm Cultivation Nation Grow 2-1-6 | 32oz
In Stock: 60
$15.69 $18.99 -17%
FoxFarm Cultivation Nation Bloom 0-5-4 | 32oz
In Stock: 36
$15.69 $18.99 -17%
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