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Nutrients & Supplements

Soil Amendments
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128
Neptune's Harvest Seaweed Plant Food 0-0-1 | 16oz - Concentrate - Makes 16gal - OMRI Listed - (Case of 12)
In Stock: 96
$12.12 $17.29 -30%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 16oz - 3% Calcium - 0.9% Magnesium - OMRI Listed - (Case of 12)
In Stock: 696
$12.10 $14.49 -16%
Black Gold Earthworm Castings Blend | 8q t- OMRI Listed - (Case of 4)
In Stock: 1071
$12.07 $13.39 -10%
Grotek Heavy Bud Pro 1-0-3 | 1L - (Case of 6)
In Stock: 132
$12.03 $35.59 -66%
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 | 16oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 2304
$12.02 $13.79 -13%
MILLS BASIS A 1LTR
In Stock: 143
$11.88 $16.00 -26%
MILLS BASIS B 1LTR
In Stock: 251
$11.88 $16.00 -26%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 18oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 216
$11.85 $17.29 -31%
Great White Premium Mycorrhizae, 1 oz
In Stock: 580
$11.83 $15.99 -26%
Down to Earth Fish Bone Meal 4-12-0 | 5lb - OMRI Listed - (Case of 6)
In Stock: 541
$11.81 $16.69 -29%
Down to Earth Neem Seed Meal 6-1-2 | 5lb - OMRI Listed - (Case of 6)
In Stock: 198
$11.70 $25.49 -54%
FoxFarm Happy Frog Fruit & Flower 4-9-3 | 4lb - OMRI Listed
In Stock: 1236
$11.70 $14.19 -18%
FoxFarm Happy Frog All-Purpose Fertilizer 6-4-5 | 4lb - OMRI Listed - (Case of 12)
In Stock: 1044
$11.70 $14.19 -18%
FoxFarm Happy Frog Japanese Maple Fertilizer 4-3-4 | 4lb - OMRI Listed - (Case of 12)
In Stock: 912
$11.70 $14.19 -18%
FoxFarm Happy Frog Jump Start Fertilizer 3-4-3 | 4lb - OMRI Listed - (Case of 12)
In Stock: 456
$11.70 $14.19 -18%
FoxFarm Happy Frog Citrus & Avocado Fertilizer 7-3-3 | 4lb - OMRI Listed - (Case of 12)
In Stock: 900
$11.70 $14.19 -18%
FoxFarm Happy Frog Acid Loving Plants Fertilizer 4-5-3 | 4lb - OMRI Listed - (Case of 12)
In Stock: 973
$11.70 $14.19 -18%
Sustane 8-2-4 Lawn & Landscape Plant Food | 5lb - OMRI Listed - (Case of 8)
Out of stock
$11.70 $16.39 -29%
Down to Earth Garden Gypsum | 5lb - OMRI Listed - (Case of 6)
In Stock: 450
$11.69
Aphrodite's Extraction, 1 gal
Out of stock
$11.66 $69.49 -83%
Down to Earth All-Purpose Mix 4-6-2 | 5lb - OMRI Listed - (Case of 6)
In Stock: 1719
$11.65 $15.79 -26%
Down to Earth Vegan Mix 3-2-2 | 5lb - OMRI Listed - (Case of 6)
Out of stock
$11.65 $16.69 -30%
Down to Earth Acid Mix 4-3-6 | 5lb - For Acid Soil Loving Plants - (Case of 6)
In Stock: 1509
$11.65 $15.79 -26%
Down To Earth Tree & Shrub 4-2-4 | 5lb - (Case of 6)
Out of stock
$11.65 $16.69 -30%
Down to Earth Vegetable Garden 4-4-4 | 5lb - OMRI Listed - (Case of 6)
In Stock: 1300
$11.65 $15.79 -26%
Down to Earth Cottonseed Meal 6-2-1 | 5lb - All Purpose - (Case of 6)
In Stock: 486
$11.65 $15.79 -26%
General Hydroponics FloraMicro 5-0-1 - 16oz
In Stock: 340
$11.57 $17.30 -33%
Big Foot Mycorrhizae Granular | 4oz
In Stock: 662
$11.54
Down to Earth Starter Mix 3-3-3 | 5lb - OMRI Listed - (Case of 6)
Out of stock
$11.48 $16.49 -30%
Down to Earth Bat Guano 7-3-1 | 2lb - OMRI Listed - (Case of 6)
In Stock: 469
$11.48 $17.99 -36%
Emerald Harvest Cali Pro Grow A, 1 qt
In Stock: 15
$11.48 $17.00 -32%
Emerald Harvest Cali Pro Grow B, 1 qt
In Stock: 3
$11.48 $17.00 -32%
Down to Earth Rock Phosphate 0-3-0 | 5lb - OMRI Listed - (Case of 6)
In Stock: 924
$11.43 $16.29 -30%
FoxFarm Happy Frog Tomato & Vegetable Fertilizer 5-7-3 | 4lb - OMRI Listed
In Stock: 1750
$11.43 $14.19 -19%
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 16oz - Raises the pH in Nutrient Solution
In Stock: 252
$11.39 $12.99 -12%
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 16oz - Lowers the pH in Nutrient Solution
In Stock: 312
$11.39 $12.99 -12%
Emerald Harvest Grow, 1 qt
In Stock: 180
$11.34 $14.00 -19%
True Organic Seabird Guano 6-12-0 | 4lb - Use Twice A Year - Spring & Fall Application - Covers up to 70sq ft - OMRI Listed - (Case of 6)
In Stock: 735
$11.33 $13.99 -19%
FoxFarm Happy Frog Bone Meal 3-12-0 | 4lb - OMRI Listed - (Case of 12)
In Stock: 726
$11.27 $14.19 -21%
Neptune's Harvest Fish Fertilizer 2-4-1 | 18oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 252
$11.22 $13.99 -20%
SUPERthrive Root-Gel Rooting Gel | 2oz - (Case of 12)
In Stock: 430
$11.03 $16.61 -34%
Down to Earth Solution Grade Langbeinite 0-0-22 | 5lb - OMRI Listed - (Case of 5)
In Stock: 18
$11.02 $24.49 -55%
Grotek Vitamax Pro 1-1-1 | 1L - (Case of 6)
In Stock: 192
$10.99 $25.39 -57%
Down to Earth Agmino Powder 14-0-0 | 1lb - (Case of 6)
In Stock: 54
$10.87 $23.79 -54%
Nectar for The Gods Triton's Trawl Fishbone Meal 0.5-4-0 | 32oz
Out of stock
$10.85 $12.99 -16%
Xtreme Gardening Mykos WP | 4oz - Wettable Powder - (Case of 12)
In Stock: 149
$10.76 $12.33 -13%
FoxFarm Cultivation Nation Grow 2-1-6 | 16oz
In Stock: 180
$10.68 $12.19 -12%
FoxFarm Cultivation Nation Bloom 0-5-4 | 16oz
In Stock: 216
$10.68 $12.19 -12%
House & Garden Top Booster, 250 ml
Out of stock
$10.68 $14.69 -27%
Snow Storm Ultra, 1 qt
Out of stock
$10.58 $54.99 -81%
Grotek Final Flush, 1 L
In Stock: 364
$10.54 $14.06 -25%
Nectar for The Gods Herculean Harvest Liquid Bone Meal 0-6-0 | 32oz
Out of stock
$10.53 $12.99 -19%
Down to Earth Fish Powder 12-1-1 | 1lb - (Case of 6)
In Stock: 138
$10.52 $20.99 -50%
Grotek Monster Bloom, 130 g
In Stock: 2408
$10.50 $13.99 -25%
Demeter's Destiny, 1 qt
Out of stock
$10.45 $22.99 -55%
Down to Earth Kelp Meal 1-0.1-2 | 5lb - OMRI Listed
Out of stock
$10.44 $37.49 -72%
Roots Organics SeaBird Guano | 3lb - Powder - (Case of 3)
Out of stock
$10.41 $10.99 -5%
Grotek Blossom Blaster Pro 1-4-0 | 1L - (Case of 6)
In Stock: 72
$10.35 $30.69 -66%
Down to Earth AZOMITE Granulated | 5lb - OMRI Listed - (Case of 6)
In Stock: 390
$10.08 $14.99 -33%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 2oz
In Stock: 50
$9.99
Grotek Vitamax Plus 1-1-2 | 1L - (Case of 6)
In Stock: 113
$9.99
CYCO 1L Bloom B - (Case of 12)
In Stock: 12
$9.95 $13.19 -25%
CYCO Bloom A 1 L - (Case of 12)
Out of stock
$9.95 $13.19 -25%
CYCO 1L Grow B - (Case of 12)
In Stock: 48
$9.95 $13.19 -25%
CYCO 1L Grow A - (Case of 12)
In Stock: 36
$9.95 $13.19 -25%
Grotek Vital 5% Calcium | 500mL - (Case of 6)
In Stock: 24
$9.92 $25.58 -61%
Down to Earth Liquid Fish & Kelp 2-4-1 | 32oz - OMRI Listed - (Case of 12)
In Stock: 72
$9.91 $15.59 -36%
True Organic All-Purpose Plant Food 5-4-5 | 4lb - Resealable Bag - Covers up to 87sq ft - OMRI Listed - (Case of 6)
In Stock: 234
$9.91 $12.99 -24%
True Organic Tomato & Vegetable Food 4-5-6 | 4lb - Resealable Bag - Use Monthly - Covers up to 70sq ft - OMRI Listed - (Case of 6)
In Stock: 138
$9.91 $12.99 -24%
True Organic Azalea, Camellia & Rhododendron Food 5-4-3 | 4lb - Resealable Bag - Spring & Fall Application - Covers up to 87sq ft - OMRI Listed - (Case of 6)
In Stock: 78
$9.91 $12.99 -24%
True Organic Herb & Leafy Greens Food | 4lb - OMRI Listed - (Case of 6)
In Stock: 126
$9.91 $12.99 -24%
True Organic Berry Food 5-4-4 | 4lb - Resealable Bag - Use Monthly - Covers up to 58sq ft - OMRI Listed - (Case of 6)
In Stock: 180
$9.91 $12.99 -24%
True Organic Raised Bed Plant Food | 4lb - OMRI Listed - (Case of 6)
In Stock: 180
$9.91 $12.99 -24%
True Organic Rose & Flower Food | 4lb - OMRI Listed - (Case of 6)
In Stock: 306
$9.91 $12.99 -24%
HEAVY 16 Bud A, 32 oz
In Stock: 212
$9.91 $14.69 -33%
HEAVY 16 Bud B, 32 oz
In Stock: 175
$9.91 $14.69 -33%
HEAVY 16 Veg A, 32 oz
In Stock: 1034
$9.91 $14.69 -33%
HEAVY 16 Veg B, 32 oz
In Stock: 237
$9.91 $14.69 -33%
HDI Clonex Mist Root Promoter | 100mL - (Case of 20)
In Stock: 421
$9.80 $11.56 -15%
Emerald Harvest Grow | 32oz
In Stock: 89
$9.73 $14.00 -31%
Emerald Harvest Bloom | 32oz
In Stock: 134
$9.73 $14.00 -31%
General Hydroponics FloraGro 2-1-6 - 16oz
In Stock: 230
$9.72 $15.41 -37%
Down to Earth Garden Lime | 5lb - OMRI Listed - (Case of 6)
In Stock: 318
$9.69
DaKine 420 Atomic Root Powder | 250g - (Case of 4)
In Stock: 36
$9.68 $38.99 -75%
DaKine 420 Shock & Awe Bloom Booster | 500g - (Case of 4)
In Stock: 16
$9.68 $38.99 -75%
General Hydroponics FloraBloom 0-5-4 - 16oz
In Stock: 409
$9.67 $15.31 -37%
Down to Earth Bio-Live 5-4-2 | 5lb - OMRI Listed - (Case of 6)
In Stock: 90
$9.64 $19.49 -51%
Grotek Rype 3-0-0 | 500mL - (Case of 6)
In Stock: 42
$9.60 $24.75 -61%
Grotek Solo-Tek Bloom 3-8-8 | 1L - (Case of 6)
In Stock: 54
$9.54 $28.29 -66%
Grotek Solo-Tek Grow 6-3-7 | 1L - (Case of 6)
In Stock: 60
$9.54 $28.29 -66%
Coop Poop All-Purpose Garden Food by Healthy Grow | 6lb - OMRI Listed - (Case of 6)
In Stock: 12
$9.52 $11.79 -19%
SUPERthrive K-L-N Rooting Concentrate | 8oz - (Case of 12)
In Stock: 240
$9.49 $13.99 -32%
General Hydroponics FloraKleen - 32oz
In Stock: 125
$9.45 $14.17 -33%
Emerald Harvest Bloom, 1 qt
In Stock: 211
$9.45 $14.00 -33%
Gaia Green All Purpose, 500 g Pouch
In Stock: 1063
$9.45 $9.89 -4%
Down to Earth Granular Humic Acids | 5lb - OMRI Listed - (Case of 6)
In Stock: 1959
$9.30 $14.99 -38%
FoxFarm Cultivation Nation pH DOWN, 1 pint, case of 12
In Stock: 404
$9.29 $144.40 -94%
Down to Earth AZOMITE Slow Release Powder | 5lb - OMRI Listed - (Case of 6)
In Stock: 684
$9.25 $12.99 -29%
Mother Earth Floressence Bloom Supplement 1-1-1 - 16oz
In Stock: 59
$9.22 $20.02 -54%
Remo Grow, 10 L
In Stock: 3
$8.91 $99.00 -91%
Sustane 4-6-4 Flower & Vegetable Plant Food | 5lb - OMRI Listed - (Case of 8)
In Stock: 24
$8.86 $12.39 -28%
Grotek Pro-Silicate, 1 L
In Stock: 198
$8.84 $15.71 -44%
Roots Organics Seabird Guano Powder, 3 lbs
In Stock: 296
$8.83 $12.94 -32%
Gaia Green Power Bloom, 500 g Pouch
In Stock: 12
$8.80 $10.98 -20%
Pegasus Potion, 1 gal
In Stock: 3
$8.75 $51.99 -83%
FoxFarm Cha Ching, 1 lb
Out of stock
$8.73 $59.35 -85%
FoxFarm Beastie Bloomz, 1 lb
In Stock: 1071
$8.73 $59.35 -85%
Grotek Solo-Tek Bloom 3-8-8 | 500mL - (Case of 6)
In Stock: 12
$8.69 $16.29 -47%
FoxFarm Cultivation Nation Cal-Mag | 16oz
In Stock: 84
$8.63 $12.99 -34%
FoxFarm Cultivation Nation Flower, 1 lb
In Stock: 2
$8.58 $18.78 -54%
FoxFarm Grow Big Liquid Concentrate, 1 pt
Out of stock
$8.42 $18.80 -55%
Grotek Gro-Silic, 500 ml
In Stock: 269
$8.42 $51.99 -84%
True Organic All-Purpose Plant Food 5-4-5 | 4.5lb - Shaker Jug - Covers up to 100sq ft - OMRI Listed - (Case of 6)
In Stock: 126
$8.18 $15.99 -49%
True Organic Tomato & Vegetable Food 4-5-6 | 4.5lb - Shaker Jug - Use Monthly - Covers up to 88sq ft - OMRI Listed - (Case of 6)
In Stock: 90
$8.18 $15.99 -49%
Down to Earth Dolomite Lime | 5lb - OMRI Listed - (Case of 6)
In Stock: 348
$8.14 $10.99 -26%
Grotek Micro Power 0-0-2 | 500mL - (Case of 6)
In Stock: 36
$8.01 $20.62 -61%
HDI Europonic FossilFuel Liquid Humic Acids | 32oz
In Stock: 25
$7.98 $21.99 -64%
SUPERthrive Bonsai-Pro Liquid Plant Food 7-9-5 | 8oz - (Case of 12)
In Stock: 588
$7.95 $12.47 -36%
SUPERthrive Orchid-Pro Liquid Plant Food 7-8-6 | 8oz - (Case of 12)
In Stock: 228
$7.95 $12.47 -36%
Grotek Cal-Max, 1 qt
In Stock: 2229
$7.86 $13.96 -44%
Sustane 3-5-3 Compost Tea Bag | 12ct - 21gm Packs - OMRI Listed - (Case of 10)
In Stock: 10
$7.84 $10.99 -29%
True Organic Prilled Sulfur | 5lb - Resealable Bag - Lowers Soil pH - Covers up to 1,333sq ft - OMRI Listed - (Case of 6)
In Stock: 138
$7.74 $10.29 -25%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 8oz - The Silicon Solution - (Case of 12)
Out of stock
$7.70 $11.99 -36%
SUPERthrive Bloom Plant Nutrients 3-12-6 | 8oz - (Case of 12)
In Stock: 9192
$7.65 $11.99 -36%
Down to Earth Oyster Shell | 5lb - OMRI Listed - (Case of 6)
Out of stock
$7.64 $11.99 -36%
MYKE Vegetable & Herb Growth Enhancer | 1.8oz - OMRI Listed - (Pallet of 36)
In Stock: 116
$7.63 $11.29 -32%
FoxFarm Open Sesame, 2 lbs
In Stock: 374
$7.55 $99.39 -92%
Grotek Gro-Silic, 1 L
In Stock: 622
$7.53 $92.99 -92%
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