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Nutrients & Supplements

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Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 18oz - Concentrate - OMRI Listed
In stock
$11.34 $16.99 -33%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 4.5lb - OMRI Listed
Out of stock
$11.29
Plant Success Great White Premium Mycorrhizae | 1oz
In stock
$11.24 $14.93 -25%
Soul Sensei Grow, 1 qt
In stock
$11.18 $15.39 -27%
Nectar for The Gods Olympus Up | 32oz
In stock
$11.10 $14.99 -26%
HDI MotherPlant Nutrients Part A | 32oz
In stock
$11.08 $19.79 -44%
HDI MotherPlant Nutrients Part B | 32oz
In stock
$11.08 $19.79 -44%
Emerald Harvest Cali Pro Grow A 3-0-0 | 32oz
In stock
$11.05 $17.00 -35%
Emerald Harvest Cali Pro Grow B 2-2-5 | 32oz
In stock
$11.05 $17.00 -35%
Emerald Harvest Cali Pro Bloom A 3-0-3 | 32oz
In stock
$11.05 $17.00 -35%
Emerald Harvest Cali Pro Bloom B 1-4-6 | 32oz
In stock
$11.05 $17.00 -35%
DaKine 420 Nitro Nutrients Base | 200g
In stock
$11.01 $17.49 -37%
DaKine 420 CalMag | 200g
In stock
$11.01 $17.49 -37%
Down to Earth Bio-Fish 7-7-2 | 5lb - OMRI Listed
In stock
$11.00 $16.49 -33%
Herculean Harvest, 1 qt
In stock
$10.95 $14.49 -24%
Triton's Trawl, 1 qt
In stock
$10.95 $14.49 -24%
FoxFarm Happy Frog® Tomato & Vegetable Fertilizer, 4 lb bag
In stock
$10.91 $16.18 -33%
Down to Earth Fruit Tree 6-2-4 | 5lb - OMRI Listed
In stock
$10.84 $15.99 -32%
True Organic Seabird Guano 6-12-0 | 4lb - Use Twice A Year - Spring & Fall Application - Covers up to 70sq ft - OMRI Listed
In stock
$10.84 $13.99 -23%
House & Garden Hydro B, 10 L
In stock
$10.83 $75.99 -86%
Down to Earth Rose & Flower Mix 4-8-4 | 5lb - OMRI Listed
In stock
$10.79 $15.99 -33%
Down to Earth Citrus Mix 6-3-3 | 5lb - OMRI Listed
In stock
$10.79 $16.29 -34%
Suståne 8-2-4 Lawn & Landscape Plant Food | 5lb - OMRI Listed
Out of stock
$10.74 $15.60 -31%
Grotek Blossom Blaster Pro 1-4-0 | 500mL
In stock
$10.72 $17.99 -40%
Down to Earth Bat Guano 7-3-1 | 2lb - OMRI Listed
In stock
$10.63 $17.29 -39%
Neptune's Harvest Fish Fertilizer 2-4-1 | 18oz - Concentrate - OMRI Listed
In stock
$10.63 $13.79 -23%
General Hydroponics FloraBloom 0-5-4 - 32oz
In stock
$10.62 $16.63 -36%
General Hydroponics FloraGro 2-1-6 - 32oz
In stock
$10.62 $16.63 -36%
Grotek Final Flush | 1L - Regular
In stock
$10.53 $16.49 -36%
House & Garden Top Booster, 250 ml
In stock
$10.52 $14.69 -28%
Grotek Cal Max 2-0-0 | 1L
In stock
$10.44 $14.69 -29%
General Hydroponics FloraMicro 5-0-1 - 16oz
In stock
$10.41 $16.17 -36%
Grotek Vitamax Plus 1-1-2 | 500mL
In stock
$10.41 $14.59 -29%
Down to Earth Fish Bone Meal 4-12-0 | 5lb - OMRI Listed
In stock
$10.37 $15.49 -33%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 16oz - 3% Calcium - 0.9% Magnesium - OMRI Listed
In stock
$10.37 $14.39 -28%
Xtreme Gardening Mykos WP | 4oz - Wettable Powder
Out of stock
$10.35 $13.11 -21%
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 | 16oz - Concentrate - OMRI Listed
In stock
$10.28 $13.29 -23%
HEAVY 16 Bud A, 32 oz
In stock
$10.28 $14.69 -30%
HEAVY 16 Bud B, 32 oz
In stock
$10.28 $14.69 -30%
HEAVY 16 Veg A, 32 oz
In stock
$10.28 $14.69 -30%
HEAVY 16 Veg B, 32 oz
In stock
$10.28 $14.69 -30%
House & Garden Hydro A, 10 L
In stock
$10.28 $75.99 -86%
Down to Earth Cottonseed Meal 6-2-1 | 5lb - All Purpose
In stock
$10.27 $14.99 -31%
Down to Earth All-Purpose Mix 4-6-2 | 5lb - OMRI Listed
In stock
$10.23 $15.29 -33%
Down to Earth Acid Mix 4-3-6 | 5lb - For Acid Soil Loving Plants
In stock
$10.23 $15.29 -33%
Down to Earth Vegetable Garden 4-4-4 | 5lb - OMRI Listed
In stock
$10.23 $15.29 -33%
Roots Organics Seabird Guano Powder, 3 lbs
In stock
$10.20 $12.94 -21%
Big Foot Mycorrhizae Concentrate | 4oz - Water-in-Root Inoculum
In stock
$10.18 $14.29 -29%
Elite Base Nutrient A, 32 oz - A Hydrofarm Exclusive!
In stock
$10.18 $20.89 -51%
Down to Earth Fish Powder 12-1-1 | 1lb
Out of stock
$10.13 $20.99 -52%
Grotek Insta-Green 3-0-0 | 1L
In stock
$10.10 $14.29 -29%
FOOP CANNA Veg 1 Organic Nutrients 0-0-1 | 32oz - CDFA and OMRI Listed
Out of stock
$10.06 $24.99 -60%
FOOP CANNA Bloom 1 Organic Nutrients 0-0-1 | 32oz - CDFA and OMRI Listed
Out of stock
$10.06 $24.99 -60%
FOOP CANNA Bloom 2 Organic Nutrients 2-3-0 | 32oz - CDFA and OMRI Listed
Out of stock
$10.06 $24.99 -60%
FoxFarm Happy Frog Fruit & Flower 4-9-3 | 4lb - OMRI Listed
In stock
$10.02 $13.99 -28%
FoxFarm Happy Frog All-Purpose Fertilizer 6-4-5 | 4lb - OMRI Listed
In stock
$10.02 $13.99 -28%
FoxFarm Happy Frog Japanese Maple Fertilizer 4-3-4 | 4lb - OMRI Listed
In stock
$10.02 $13.99 -28%
FoxFarm Happy Frog Jump Start Fertilizer 3-4-3 | 4lb - OMRI Listed
In stock
$10.02 $13.99 -28%
FoxFarm Happy Frog Citrus & Avocado Fertilizer 7-3-3 | 4lb - OMRI Listed
In stock
$10.02 $13.99 -28%
FoxFarm Happy Frog Acid Loving Plants Fertilizer 4-5-3 | 4lb - OMRI Listed
In stock
$10.02 $13.99 -28%
Grotek Vitamax Plus 1-1-2 | 1L
In stock
$9.99
Save 9%
Gaia Green Power Bloom, 500 g Pouch
In stock
$9.94 $10.98 -9%
Mad Farmer Mother Of All Bloom, 100g
In stock
$9.94 $16.05 -38%
SUPERthrive Root-Gel Rooting Gel | 2oz
In stock
$9.85 $16.27 -39%
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