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Nutrients & Supplements

Soil Amendments
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64
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 4.5lb - OMRI Listed - (Case of 12)
In Stock: 497
$6.85 $11.29 -39%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 4.5lb - OMRI Listed - (Case of 10)
Out of stock
$6.85 $11.29 -39%
Grotek Final Flush Blueberry, 1 L
In Stock: 447
$6.85 $15.19 -55%
Olivia's Cloning Solution | 32oz (1qt) - (Case of 24)
In Stock: 24
$6.82 $13.95 -51%
Growth Science Nutrients Base A, 1 qt
In Stock: 10
$6.80 $17.99 -62%
Plant Success Organics Granular 3-1-2 | 4oz - Granules - (Case of 12)
In Stock: 621
$6.75 $8.65 -22%
Elite Resin D, 32 oz - A Hydrofarm Exclusive!
In Stock: 87
$6.58 $72.59 -91%
Down to Earth Solution Grade Gypsum | 5lb - OMRI Listed - (Case of 5)
Out of stock
$6.57 $15.49 -58%
Grotek Biofuse | 100g - (Case of 12)
In Stock: 260
$6.52 $19.79 -67%
Key Grow Solutions Green Dragon 0-0-18 | 32oz - (Case of 14)
In Stock: 896
$6.47 $39.99 -84%
Key Grow Solutions Silver Rabbit 7-20-4 | 32oz - (Case of 14)
In Stock: 154
$6.47 $39.99 -84%
Primordial Solutions Rootamentary, 16 oz
In Stock: 49
$6.46 $45.99 -86%
Remo Micro, 1 L
In Stock: 39
$6.42 $22.99 -72%
Mad Farmer Mother Of All Bloom, 100g
In Stock: 149
$6.37 $16.05 -60%
Grotek Vitamax Pro 1-1-1 | 500mL - (Case of 6)
In Stock: 6
$6.32 $14.59 -57%
True Organic Bone Meal 7-7-0 | 3lb - Resealable Bag - Spring & Fall Application - Covers up to 61sq ft. - OMRI Listed - (Case of 6)
In Stock: 131
$6.32 $7.99 -21%
Optic Foliar REV, 500 ml - (Case of 12)
In Stock: 19
$6.20 $71.99 -91%
Optic Foliar Watts, 500 ml - (Case of 12)
In Stock: 24
$6.20 $71.99 -91%
Down to Earth Langbeinite 0-0-22 | 1lb - OMRI Listed - (Case of 6)
Out of stock
$6.16 $10.29 -40%
Down to Earth Potassium Sulfate 0-0-50 | 1lb - OMRI Listed - (Case of 6)
In Stock: 6
$6.16 $10.29 -40%
True Organic Liquid All-Purpose Plant Food | 16oz - OMRI Listed - (Case of 6)
In Stock: 132
$5.98 $8.99 -33%
True Organic Liquid Tomato & Vegetable Food 3-2-3 | 16oz - Concentrate - Use Every Two Weeks - Covers up to 30sq ft - OMRI Listed - (Case of 6)
In Stock: 174
$5.98 $8.99 -33%
True Organic Liquid Bloom Boost | 16oz - OMRI Listed - (Case of 6)
In Stock: 174
$5.98 $8.99 -33%
Soul Sensei Micro, 1 gal
In Stock: 326
$5.96 $46.19 -87%
Optic Foliar Transport, 60 ml - (Case of 12)
In Stock: 12
$5.95 $12.99 -54%
Grotek Blossom Blaster Pro 1-4-0 | 500mL - (Case of 6)
In Stock: 30
$5.94 $17.99 -67%
Grotek Cal Max 2-0-0 | 500mL - (Case of 6)
In Stock: 12
$5.86 $11.29 -48%
Down to Earth Shrimp Meal 6-6-0 | 2lb - OMRI Listed - (Case of 6)
In Stock: 72
$5.77 $11.99 -52%
Grotek Insta-Green 3-0-0 | 500mL - (Case of 6)
In Stock: 12
$5.54 $10.59 -48%
HDI Clonex Rooting Gel | 15ml - Single-Use Packet - (Case of 18)
In Stock: 2036
$5.28 $6.61 -20%
Grotek Vitamax Plus, 1 L
In Stock: 179
$5.25 $24.99 -79%
Vegamatrix Amp-It, 1qt
In Stock: 82
$5.25 $35.99 -85%
DaKine 420 Atomic Root Powder | 100g - (Case of 20)
In Stock: 40
$5.21 $21.49 -76%
DaKine 420 Shock & Awe Bloom Booster | 200g - (Case of 20)
In Stock: 40
$5.21 $21.49 -76%
FoxFarm Bush Doctor Cal-Mag, 1 pt
In Stock: 1130
$5.20 $17.38 -70%
Soul Sensei Bloom, 1 gal
In Stock: 56
$5.19 $40.16 -87%
Soul Sensei Grow, 1 gal
In Stock: 214
$5.19 $40.16 -87%
FoxFarm Happy Frog Japanese Maple Fertilizer, 4 lb bag
In Stock: 416
$5.06 $17.42 -71%
Down To Earth Mini Cactus Mix 2-4-8 | 1lb - (Case of 12)
In Stock: 120
$4.99
Grotek Final Flush | 1L - Regular - (Case of 6)
In Stock: 42
$4.87 $16.49 -70%
Key Grow Solutions Red Royal 2-0-7 | 32oz - (Case of 14)
In Stock: 140
$4.86 $29.99 -84%
Key Grow Solutions White Royal 4-10-5 | 32oz - (Case of 14)
In Stock: 158
$4.86 $27.99 -83%
Grotek Cal Max 2-0-0 | 1L - (Case of 6)
In Stock: 60
$4.83 $14.69 -67%
Grotek Vitamax Plus 1-1-2 | 500mL - (Case of 6)
In Stock: 30
$4.82 $14.59 -67%
Great White Granular 1 Mycorrhizal | 4oz - OMRI Listed - (Case of 24)
In Stock: 204
$4.79 $6.16 -22%
Down to Earth Gypsum | 1lb - OMRI Listed - (Case of 6)
In Stock: 30
$4.78 $6.99 -32%
Grotek Insta-Green 3-0-0 | 1L - (Case of 6)
In Stock: 132
$4.67 $14.29 -67%
Grotek Monster Grow Pro 18-36-1 | 130g
In Stock: 84
$4.57 $13.79 -67%
Humboldt Nutrients Mayan Microzyme, 8 oz
In Stock: 4
$4.52 $34.99 -87%
Aptus Breakout Powder, (5-Pack)
In Stock: 685
$4.42 $72.19 -94%
Key Grow Solutions Blue Butterfly 6-4-5 | 32oz - (Case of 14)
In Stock: 112
$4.32 $22.99 -81%
DaKine 420 Nitro Nutrients Base | 200g - (Case of 20)
In Stock: 80
$4.25 $17.49 -76%
DaKine 420 Nitro Nutrients Grow | 200g - (Case of 20)
In Stock: 40
$4.25 $17.49 -76%
Remo Grow, 20 L
In Stock: 27
$3.91 $197.99 -98%
Down to Earth All-Purpose Mix 4-6-2 | 1lb - OMRI Listed - (Case of 12)
In Stock: 1800
$3.89 $6.29 -38%
Down To Earth Rose & Flower Mix 4-8-4 | 1lb - (Case of 12)
In Stock: 216
$3.89 $6.29 -38%
Down to Earth Acid Mix 4-3-6 | 1lb - For Acid Soil Loving Plants - (Case of 12)
In Stock: 2832
$3.89 $6.29 -38%
Down to Earth Starter Mix 3-3-3 | 1lb - OMRI Listed - (Case of 12)
In Stock: 300
$3.89 $6.29 -38%
Down to Earth Vegetable Garden 4-4-4 | 1lb - OMRI Listed - (Case of 12)
In Stock: 324
$3.89 $6.29 -38%
Down to Earth Citrus Mix 6-3-3 | 1lb - OMRI Listed - (Case of 12)
In Stock: 2076
$3.89 $6.29 -38%
BioAG Ful-Humix | 100g - OMRI Listed - (Case of 24)
In Stock: 314
$3.75 $12.30 -70%
FoxFarm Cultivation Nation Micro, 1 pt
In Stock: 181
$3.74 $17.50 -79%
Down to Earth Blood Meal 12-0-0 | 0.5lb - OMRI Listed - (Case of 12)
In Stock: 492
$3.70 $5.99 -38%
Down to Earth Fish Bone Meal 4-12-0 | 1lb - OMRI Listed - (Case of 12)
In Stock: 108
$3.70 $5.99 -38%
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