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Nutrients & Supplements

Soil Amendments
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128
Roots Organics HP2 0-4-0, 1 qt
In stock
$17.56 $22.67 -23%
FoxFarm Bush Doctor Kangaroots, 1 qt
In stock
$17.43 $36.12 -52%
Roots Organics Surge | 32oz
In stock
$17.42 $20.99 -17%
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 32oz - (Case of 12)
In stock
$17.36 $28.09 -38%
Royal Gold Crown Jewels Bloom 1-4-2 | 5lb - (Case of 8)
In stock
$17.36 $24.84 -30%
Royal Gold Crown Jewels Grow 3-2-2 | 5lb - (Case of 8)
Out of stock
$17.36 $24.84 -30%
Plant Success Organics Soluble 0.5-0.1-7 | 4oz
In stock
$17.35 $23.25 -25%
Maxicrop Soluble Seaweed Powder 0-0-17 | 10.7oz - OMRI Listed - (Case of 12)
In stock
$17.32 $24.99 -31%
Nectar for The Gods Aphrodite's Extraction Carbon 0-1-0 | 32oz
In stock
$17.32 $23.99 -28%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 32oz
In stock
$17.32 $23.99 -28%
FoxFarm Grow Big Hydro Liquid Concentate, 1 qt
In stock
$17.23 $36.10 -52%
General Hydroponics CALiMAGic 1-0-0 - 32oz
In stock
$17.17 $25.14 -32%
BioAG Ful-Power Purified Fulvic Acid | 32oz - OMRI Listed - (Case of 12)
In stock
$17.17 $24.42 -30%
FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 16oz - Concentrate
In stock
$17.16 $20.99 -18%
Grotek Monster Grow Pro 18-36-1 | 500g - (Case of 6)
In stock
$17.16 $52.99 -68%
Roots Organics Surge, 1 qt
In stock
$17.14 $26.06 -34%
True Organic Tomato & Vegetable Food 4-5-6 | 12lb - Resealable Bag - Covers up to 210sq ft - Use Monthly - OMRI Listed
In stock
$17.13 $23.99 -29%
Grotek Biofuse | 300g - (Case of 6)
In stock
$17.11 $30.29 -44%
SUPERthrive Root-Gel Rooting Gel | 4oz - (Case of 12)
In stock
$17.03 $27.99 -39%
Big Foot Mycorrhizae Concentrate | 4oz - Water-in-Root Inoculum
In stock
$17.00
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 32oz - The Silicon Solution - (Case of 12)
In stock
$16.99 $28.05 -39%
House & Garden Bud-XL, 250 ml
In stock
$16.94 $26.24 -35%
Xtreme Azos Beneficial Bacteria, 2 oz
In stock
$16.89 $25.99 -35%
Armory Beneficial Bacteria Blend | 2oz - OMRI Listed
In stock
$16.69 $30.03 -44%
Biobizz Bio-Grow | 1 L
In stock
$16.64 $25.80 -36%
BioBizz Bio-Grow 1L CA & OR only
In stock
$16.64 $25.80 -36%
BioBizz Bio-Bloom 1L CA & OR only
In stock
$16.64 $25.80 -36%
General Organics CaMg+ Calcium Magnesium Supplement - 32oz
In stock
$16.63 $24.49 -32%
BioAg Ful-Power | 1 qt
In stock
$16.60 $25.99 -36%
BioAg Ful-Power | 1 qt (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In stock
$16.60 $25.99 -36%
House & Garden Drip Clean, 250 ml
In stock
$16.58 $25.70 -35%
Xtreme Gardening Azos Root Booster | 2oz - (Case of 12)
In stock
$16.56 $21.16 -22%
Xtreme Gardening Mykos | 1lb - (Case of 12)
In stock
$16.56 $21.16 -22%
Plant Success Organics Granular, 1 lb
In stock
$16.56 $20.99 -21%
MICROBE Life Hydroponics Photosynthesis Plus | 16oz - (Case of 12)
In stock
$16.52 $32.99 -50%
Technaflora B.C. Grow, 1 L
In stock
$16.47 $23.99 -31%
HDI MotherPlant Nutrients Part B | 1gal - (Case of 4)
In stock
$16.45 $49.07 -66%
Botanicare Cal-Mag Plus 2-0-0 | 32oz
In stock
$16.43 $24.13 -32%
FoxFarm Bush Doctor Kangaroots Root Drench Inoculant 0.8-0.1-0.03 | 16oz - Concentrate
In stock
$16.42 $19.99 -18%
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 16oz - (Case of 12)
Out of stock
$16.38 $31.99 -49%
FoxFarm Bush Doctor Bembe, 1 qt
In stock
$16.38 $36.12 -55%
DaKine 420 Shock & Awe Bloom Booster | 1,000g - (Case of 4)
In stock
$16.36 $68.99 -76%
House & Garden Hydro A, 20 L
In stock
$16.36 $123.99 -87%
Roots Organics Ancient Amber | 32oz
In stock
$16.33 $19.99 -18%
Roots Organics Buddha Bloom | 32oz
Out of stock
$16.33 $19.99 -18%
Roots Organics Buddha Grow | 32oz
Out of stock
$16.33 $19.99 -18%
Roots Organics HPK | 32oz
In stock
$16.33 $19.99 -18%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 32oz
Out of stock
$16.33 $21.34 -23%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 32oz
In stock
$16.33 $21.34 -23%
HDI Ionic Grow Plant Nutrient 3-1-5 | 32oz
In stock
$16.33 $21.34 -23%
HDI Ionic Grow for Soil Plant Nutrient 3-1-4 | 32oz
In stock
$16.33 $21.34 -23%
Emerald Harvest Cal-Mag, 1 qt
In stock
$16.32 $23.00 -29%
Green Gro Ultrafine Mycorrhizae All-in-One, 4 oz
In stock
$16.24 $20.99 -23%
Rock Fusion Bloom Base Nutrient, 1 L
In stock
$16.18 $39.99 -60%
General Organics BioThrive Bloom 2-4-4 | 32oz
In stock
$16.16 $23.63 -32%
Xtreme Gardening Calcar Foliar Booster | 3oz - (Case of 12)
Out of stock
$16.16 $20.64 -22%
Roots Organics HPK 0-4-3, 1 qt
In stock
$16.09 $24.93 -35%
Roots Organics Buddha Grow 1qt
In stock
$16.09 $24.93 -35%
FoxFarm Bush Doctor Sledgehammer | 16oz -OMRI Listed
In stock
$16.03 $19.99 -20%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 32oz - Concentrate - Makes 32gal - OMRI Listed - (Case of 12)
In stock
$16.01 $21.29 -25%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 5oz
In stock
$15.99
FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 16oz - Concentrate
In stock
$15.91 $22.99 -31%
Emerald Harvest pH Up | 32oz
In stock
$15.80 $25.50 -38%
Emerald Harvest pH Down | 32oz
In stock
$15.80 $25.50 -38%
Down to Earth Liquid Calcium 5% | 32oz - OMRI Listed - (Case of 10)
Out of stock
$15.78 $22.99 -31%
Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 32oz
In stock
$15.75 $21.99 -28%
Nectar for The Gods Hades Down 0-1-0 | 32oz
In stock
$15.75 $21.99 -28%
Nectar for The Gods Zeus Juice Growth Enhancer | 32oz
In stock
$15.75 $21.99 -28%
Nectar for The Gods One Shot 3-10-0 | 4lb - (Case of 10)
Out of stock
$15.73 $24.99 -37%
FoxFarm Bush Doctor Sledge Hammer, 1 qt
In stock
$15.71 $34.28 -54%
Botanicare Silica Blast 0-0-0.5 - 32oz
In stock
$15.70 $23.13 -32%
Grotek Blossom Blaster Pro Liquid, 1 L
In stock
$15.69 $29.18 -46%
Bloom Khaos, 1 qt
In stock
$15.67 $34.99 -55%
Down to Earth Oyster Shell | 25lb - OMRI Listed
Out of stock
$15.63 $25.99 -40%
FoxFarm Bush Doctor Kelp Me Kelp You, 1 qt
Out of stock
$15.62 $36.10 -57%
Mad Farmer Mother Of All Bloom, 250g
In stock
$15.60 $32.12 -51%
FoxFarm Bush Doctor Boomerang Comeback Formula 2-0.2-0.3 | 16oz
In stock
$15.53 $18.99 -18%
Miracle-Gro Performance Organics Edibles | 2.5lb Jug - OMRI Listed - (Case of 6)
In stock
$15.38 $23.19 -34%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 1gal - (Case of 4)
In stock
$15.33 $46.24 -67%
Down to Earth Solution Grade Calcium 96 | 5lb - OMRI Listed - (Case of 5)
In stock
$15.29
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 16oz - Concentrate
In stock
$15.23 $21.99 -31%
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 16oz - Concentrate
In stock
$15.21 $21.99 -31%
Olivia's Cloning Gel | 4oz - (Case of 24)
Out of stock
$15.09 $22.95 -34%
Crystal Burst, 1 qt
In stock
$15.05 $29.99 -50%
FoxFarm Cultivation Nation Grow 2-1-6 | 32oz
In stock
$15.03 $18.99 -21%
FoxFarm Cultivation Nation Bloom 0-5-4 | 32oz
In stock
$15.03 $18.99 -21%
Neptune's Harvest Fish Fertilizer 2-4-1 | 36oz - Concentrate - OMRI Listed - (Case of 12)
In stock
$15.03 $22.59 -33%
Down to Earth Solution Grade Potassium Sulfate 0-0-50 | 5lb - OMRI Listed - (Case of 5)
In stock
$15.00 $24.49 -39%
Grotek Blossom Blaster 1-4-0 | 15/box - 20g
In stock
$14.99
FoxFarm Bush Doctor Boomerang, 1 qt
In stock
$14.99 $34.83 -57%
Technaflora B.C. Bloom, 1 L
In stock
$14.99 $23.99 -38%
General Hydroponics FloraNova Grow 7-4-10 - 16oz
In stock
$14.89 $21.86 -32%
General Hydroponics FloraNova Bloom 4-8-7 - 16oz
In stock
$14.89 $21.86 -32%
Cutting Edge Solutions Grow, 1 qt
In stock
$14.87 $15.99 -7%
Emerald Harvest Cal-Mag | 32oz
In stock
$14.84 $23.00 -35%
General Hydroponics FloraMicro 5-0-1 - 32oz
In stock
$14.78 $21.13 -30%
Roots Organics HP2 | 32oz
In stock
$14.73 $17.99 -18%
Aptus Bloomboost, 500 ml
Out of stock
$14.69 $171.75 -91%
Down to Earth Blood Meal 12-0-0 | 4lb - OMRI Listed - (Case of 6)
In stock
$14.63 $23.90 -39%
General Hydroponics MaxiBloom 5-15-14 - 2.2lb
In stock
$14.59 $21.51 -32%
General Hydroponics MaxiGro 10-5-14 - 2.2lb
In stock
$14.59 $21.51 -32%
FoxFarm Open Sesame, 2 lbs
In stock
$14.59 $99.39 -85%
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 16oz - (Case of 12)
Out of stock
$14.55 $28.99 -50%
MICROBE Life Hydroponics Foliar Spray & Root Dip | 16oz - (Case of 12)
Out of stock
$14.55 $28.99 -50%
Soul Sensei Micro, 2.5 gal
In stock
$14.55 $112.76 -87%
Down to Earth Liquid All-Purpose 4-1-3 | 32oz - (Case of 10)
In stock
$14.54 $22.99 -37%
FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 16oz - Concentrate - OMRI Listed
In stock
$14.49 $19.99 -28%
FoxFarm Happy Frog Cavern Culture Fertilizer 1-12-0 | 4lb - OMRI Listed - (Case of 12)
In stock
$14.42 $19.99 -28%
Grotek Gro-Silic, 1 L
In stock
$14.40 $92.99 -85%
Mother Earth Power Flower Fantastic Flowering Mix 1-8-6 - 2.4lb
In stock
$14.38 $16.88 -15%
Mother Earth Farmer's Market All Purpose Mix 4-5-4 - 4.4lb
In stock
$14.38 $16.88 -15%
Mother Earth Season's Choice Tomato & Vegetable Mix 4-5-6 - 4.4lb
In stock
$14.38 $16.88 -15%
Mother Earth Acid Drop for Acid -Loving Plants 3-4-6 - 4.4lb
In stock
$14.38 $16.88 -15%
House & Garden Cocos B, 1 L
In stock
$14.37 $20.24 -29%
House & Garden Soil A, 1 L
In stock
$14.37 $20.24 -29%
FoxFarm Cultivation Nation Cal-Mag | 32oz
In stock
$14.34 $19.99 -28%
SUPERthrive, 4 oz
In stock
$14.33 $15.49 -7%
Mother Earth Floressence Bloom Supplement 1-1-1 - 32oz
In stock
$14.32 $32.53 -56%
Remo AstroFlower, 1 L
In stock
$14.32 $36.99 -61%
Roots Organics Terp Tea Bloom | 3lb - (Case of 3)
Out of stock
$14.28 $16.99 -16%
Roots Organics Terp Tea Grow | 3lb - (Case of 3)
Out of stock
$14.28 $16.99 -16%
Grotek Vital 5% Calcium | 1L - (Case of 6)
In stock
$14.07 $37.97 -63%
Down to Earth Fish Bone Powder 4-20-0 | 1lb - (Case of 6)
Out of stock
$13.99
FoxFarm Bush Doctor Cal-Mag, 1 qt
In stock
$13.98 $27.56 -49%
Growth Science Nutrients Rock Solid, 2.5 gal
In stock
$13.97 $149.99 -91%
Emerald Harvest Micro, 1 qt
In stock
$13.94 $18.00 -23%
House & Garden Bio 1-Component, 5 L
Out of stock
$13.93 $108.05 -87%
Mad Farmer Cal+Mag, 1 qt
In stock
$13.93 $21.62 -36%
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