0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
64
Botanicare Cal-Mag Plus 2-0-0 | 1gal
In Stock: 702
$42.25 $62.90 -33%
Purple Maxx, 1 qt
Out of stock
$42.22 $85.99 -51%
Down to Earth Cottonseed Meal 6-2-1 | 50lb - All Purpose
In Stock: 107
$42.17 $84.99 -50%
Budswel, 1 gal
In Stock: 678
$42.17 $54.99 -23%
Budswel, 1 gal (CA Only)
In Stock: 694
$42.17 $54.99 -23%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 1gal - The Silicon Solution - (Case of 4)
In Stock: 68
$42.13 $67.63 -38%
Xtreme Azos Beneficial Bacteria, 12 oz (340 g)
In Stock: 227
$42.11 $65.99 -36%
BioAG Ful-Humix | 2.2lb - OMRI Listed - (Case of 4)
Out of stock
$42.07 $57.42 -27%
Down to Earth Citrus Mix 6-3-3 | 25lb - OMRI Listed
In Stock: 169
$41.84 $57.89 -28%
Down to Earth Granular Humic Acids | 50lb - OMRI Listed
In Stock: 278
$41.80 $59.99 -30%
SUPERthrive Vitamin Solution 0.5-0-0 | 16oz
In Stock: 747
$41.58 $45.99 -10%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 1gal
In Stock: 20
$41.49 $69.99 -41%
House & Garden Nitrogen Boost, 1 L
In Stock: 447
$41.45 $64.26 -35%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 1gal - (Case of 4)
In Stock: 4
$41.05 $53.99 -24%
Nectar for The Gods Persephone's Palate | 1gal - (Case of 4)
Out of stock
$41.05 $53.99 -24%
DaKine 420 Sticky Icky Enzymes | 1,000g - (Case of 4)
In Stock: 16
$41.00 $168.99 -76%
FoxFarm Bush Doctor Sledge Hammer, 1 gal
In Stock: 15
$40.85 $117.46 -65%
House & Garden Algen Extract, 500 ml
In Stock: 1066
$40.75 $63.19 -36%
FoxFarm Grow Big Hydro Liquid Concentrate, 1 gal
In Stock: 74
$40.56 $117.46 -65%
Down to Earth Crab Meal 4-3-0 | 40lb - OMRI Listed
In Stock: 109
$40.43 $81.99 -51%
Down to Earth Agmino Powder 14-0-0 | 5lb - (Case of 5)
In Stock: 10
$40.30 $95.29 -58%
Down to Earth Bone Meal 3-15-0 | 25lb - OMRI Listed
In Stock: 115
$40.29 $58.29 -31%
Biobizz Top-Max, 1 L
In Stock: 92
$40.12 $62.20 -35%
BioBizz Top-Max 1L CA & OR only
In Stock: 49
$40.12 $62.20 -35%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 25lb - OMRI Listed
In Stock: 1112
$39.99
Gaia Green All Purpose, 10 kg
In Stock: 834
$39.96 $56.10 -29%
Grotek Heavy Bud Pro 1-0-3 | 4L - (Case of 4)
In Stock: 56
$39.94 $120.99 -67%
Optic Foliar ATAK Concentrate, 24 L
In Stock: 13
$39.25 $303.99 -87%
HDI MotherPlant Nutrients Part A | 1gal - (Case of 4)
In Stock: 8
$39.14 $49.07 -20%
Roots Organics Terp Tea Grow | 9lb - (Case of 3)
In Stock: 9
$39.07 $44.99 -13%
Down to Earth Soluble Root Growth Enhancer | 1lb - OMRI Listed - (Case of 6)
Out of stock
$39.01 $59.99 -35%
Down To Earth Fruit Tree 6-2-4 | 25lb - OMRI Listed
In Stock: 347
$38.98 $53.89 -28%
Down To Earth Rose & Flower Mix 4-8-4 | 25lb - OMRI Listed
In Stock: 184
$38.98 $53.89 -28%
SUPERthrive, 1 pt
In Stock: 73
$38.91 $50.49 -23%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 1gal - Concentrate - Makes 128gal - OMRI Listed - (Case of 4)
In Stock: 75
$38.87 $49.49 -21%
Humboldt Nutrients Master-B, 5 gal
In Stock: 3
$38.83 $300.99 -87%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In Stock: 249
$38.77 $49.99 -22%
MILLS START 1 LTR
In Stock: 138
$38.70 $60.00 -36%
GH General Organics BioBud Quart (Case of 12)
In Stock: 49
$38.66 $52.35 -26%
Roots Organics Terp Tea Bloom | 9lb - (Case of 3)
In Stock: 59
$38.45 $42.99 -11%
Down to Earth Acid Mix 4-3-6 | 25lb - For Acid Soil Loving Plants
In Stock: 466
$38.40 $52.99 -28%
FoxFarm Cha Ching, 2 lbs
In Stock: 323
$38.38 $103.25 -63%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In Stock: 905
$38.32 $48.02 -20%
Roots Organics Terp Tea Bloom, 9 lb
In Stock: 181
$38.31 $53.99 -29%
General Hydroponics Flora Series Trial Pack | 3pc - 32oz FloraMicro, 32oz FloraGro, and 32oz FloraBloom
In Stock: 267
$38.20 $39.09 -2%
Technaflora B. Seaweed, 4 L
In Stock: 29
$38.16 $176.36 -78%
Down to Earth Starter Mix 3-3-3 | 25lb - OMRI Listed
Out of stock
$38.03 $51.79 -27%
Grotek Blossom Blaster, 130 g
In Stock: 2287
$37.99 $70.66 -46%
Age Old Grow, 1 gal
In Stock: 44
$37.93 $48.99 -23%
Age Old Bloom, 1 gal
In Stock: 68
$37.93 $48.99 -23%
Age Old Kelp, 1 gal
In Stock: 27
$37.93 $48.99 -23%
Neptune's Harvest Fish Fertilizer 2-4-1 | 1gal - Concentrate - OMRI Listed - (Case of 4)
In Stock: 40
$37.77 $48.49 -22%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 6 gal
In Stock: 32
$37.38 $262.49 -86%
Roots Organics Oregonism XL Root Growth Enhancer | 1lb - (Case of 12)
In Stock: 17
$37.37 $54.99 -32%
Technaflora Recipe For Success Starter Kit
In Stock: 229
$37.36 $45.99 -19%
Rhizoflora Terpinator 0-0-4 - 1gal
In Stock: 2
$37.27 $73.22 -49%
Remo Magnifical, 4 L
In Stock: 4
$37.26 $52.99 -30%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 32oz - (Case of 12)
In Stock: 156
$37.23 $59.25 -37%
Roots Organics Rain, 1 qt
In Stock: 179
$37.01 $52.15 -29%
Nectar for The Gods Athena's Aminas 0.5-0-0 | 1gal
Out of stock
$36.91 $48.99 -25%
Nectar for The Gods Hygeia Hydration Yucca Extract | 1gal - (Case of 4)
Out of stock
$36.91 $48.99 -25%
Nectar for The Gods Medusa's Magic Soil Nutrient 2-5-2 | 1gal - (Case of 4)
Out of stock
$36.91 $48.99 -25%
Nectar for The Gods Mega Morpheus Guano Tea 0-2-0 | 1gal - (Case of 4)
Out of stock
$36.91 $48.99 -25%
Nectar for The Gods The Kraken Crab & Shrimp 0-4-0 | 1gal - (Case of 4)
Out of stock
$36.91 $48.99 -25%
Show other 64 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $0
  • $41796
Shop Owner
Brand
    Show all (88)