0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
64
General Hydroponics FloraKleen - 2.5gal
In stock
$46.81 $75.70 -38%
Roots Organics HP2 0-4-0, 1 gal
In stock
$46.75 $68.03 -31%
Cutting Edge Solutions Cal-Mag Amplified, 1 gal
In stock
$46.70 $61.99 -25%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 1gal
In stock
$46.62 $75.27 -38%
Big Foot Mycorrhizae Granular | 2lb
In stock
$46.35
Xtreme Gardening Mykos WP | 2.2lb - Wettable Powder - (Case of 6)
In stock
$46.32 $61.03 -24%
Soul Amino-Aide, 1 qt
In stock
$46.30 $67.32 -31%
Soul Big Swell, 1 qt
In stock
$46.30 $67.32 -31%
Roots Organics Oregonism XL, 1 lb
In stock
$46.04 $66.95 -31%
Nectar for The Gods Aphrodite's Extraction Carbon 0-1-0 | 1gal - (Case of 4)
In stock
$45.79 $64.99 -30%
Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 1gal
Out of stock
$45.79 $64.99 -30%
Biobizz Bio-Bloom | 5 L
In stock
$45.71 $91.44 -50%
Biobizz Bio-Grow | 5 L
In stock
$45.71 $91.44 -50%
BioBizz Bio-Grow 5L CA & OR only
In stock
$45.71 $91.44 -50%
BioBizz Bio-Bloom 5L CA & OR only
In stock
$45.71 $91.44 -50%
Botanicare Pure Blend Pro Soil 1-4-5 - 1gal
In stock
$45.70 $73.79 -38%
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 1gal
In stock
$45.70 $73.79 -38%
Save 19%
Roots Organics HPK | 1gal - (Case of 4)
In stock
$45.38 $55.99 -19%
Save 18%
Grotek Synergy, 140 grams
In stock
$45.36 $54.99 -18%
General Hydroponics ARMOR SI 0-0-4 - 1gal - CA Restriction
Out of stock
$45.04 $72.83 -38%
General Hydroponics ARMOR SI 0-0-4 | 1gal
In stock
$45.04 $72.83 -38%
General Organics BioThrive Bloom 2-4-4 | 1gal
In stock
$45.01 $72.67 -38%
Cultivation Nation Cal-Mag Gallon
Out of stock
$44.90 $68.09 -34%
Down to Earth Fish Powder 12-1-1 | 5lb - (Case of 5)
In stock
$44.79 $67.39 -34%
Save 19%
Roots Organics Oregonism XL Root Growth Enhancer | 1lb - (Case of 12)
In stock
$44.35 $54.99 -19%
HEAVY 16 Prime, 32 oz
In stock
$44.29 $70.87 -38%
House & Garden Bud-XL, 1 L
In stock
$44.18 $64.26 -31%
House & Garden Nitrogen Boost, 1 L
In stock
$44.18 $64.26 -31%
Emerald Harvest Root Wizard | 32oz
In stock
$44.15 $96.00 -54%
Emerald Harvest Root Wizard | 32oz (FL, MN, NC, OK)
In stock
$44.15 $96.00 -54%
Emerald Harvest Root Wizard | 32oz (OR)
In stock
$44.15 $96.00 -54%
House & Garden Commercial Bloom, 5 lbs Pouch
In stock
$44.06 $60.00 -27%
House & Garden Commercial Grow, 5 lbs Pouch
In stock
$44.06 $60.00 -27%
Aurora Peat Products Procision Advantage, 3.8 cu ft bale
In stock
$44.04 $106.15 -59%
Emerald Harvest Cal-Mag | 1gal
In stock
$43.75 $70.00 -38%
Mr. B's Green Trees Azospirillum Super Concentrate, 1 lb
In stock
$43.50 $69.60 -38%
House & Garden Algen Extract, 500 ml
In stock
$43.45 $63.19 -31%
House & Garden Drip Clean, 1 L
In stock
$43.31 $63.00 -31%
Save 19%
Roots Organics HP2 | 1gal - (Case of 4)
In stock
$43.28 $53.58 -19%
CYCO Platinum Series Silica 0-0-3 - 5L
In stock
$43.21 $69.89 -38%
Snow Storm Ultra, 1 qt
In stock
$43.09 $54.99 -22%
Save 4%
Sustane 4-6-4 All-Purpose Fertilizer | 50lb - OMRI Listed
In stock
$43.02 $44.75 -4%
Grotek Rype 3-0-0 | 4L - (Case of 4)
In stock
$43.00 $119.79 -64%
Big Time Enzyme, 1 gal
In stock
$43.00 $56.99 -25%
Save 18%
Grotek Gro-Silic, 500 ml
In stock
$42.89 $51.99 -18%
Roots Organics Ancient Amber, 1 gal
In stock
$42.89 $62.36 -31%
Xtreme Azos Beneficial Bacteria, 12 oz (340 g)
In stock
$42.74 $62.99 -32%
HEAVY 16 Fire, 16 oz
In stock
$42.65 $68.24 -38%
HEAVY 16 Fire, 16 oz (OR Only)
In stock
$42.65 $68.24 -38%
HEAVY 16 Roots, 16 oz
In stock
$42.65 $68.24 -38%
Gaia Green Power Bloom, 10 kg
In stock
$42.48 $57.19 -26%
Grotek Cal Max 2-0-0 | 10L - (Case of 2)
In stock
$42.29 $134.99 -69%
Xtreme Tea Brews Individual Pouches, 80 g & Microbe Food Packs, 7 g (10 each)
In stock
$42.19 $60.99 -31%
Gaia Green Worm Castings, 30L
In stock
$41.96 $55.99 -25%
Grotek Gro-Silic, 4 L
In stock
$41.95 $232.99 -82%
Technaflora Thrive Alive B1 Red, 1 L
In stock
$41.94 $59.99 -30%
Grotek Pro-Silicate 0-0-4 | 10L - (Case of 2)
In stock
$41.92 $133.99 -69%
FoxFarm Cha Ching, 1 lb
In stock
$41.61 $59.35 -30%
Save 18%
SUPERthrive, 1 pt
In stock
$41.49 $50.49 -18%
Grotek Bloom Pack
In stock
$41.32 $132.39 -69%
Save 17%
Humboldt County's Own Sonic Bloom, 1 lb
In stock
$41.26 $49.99 -17%
Remo Grow, 10 L
In stock
$41.25 $99.00 -58%
MILLS START 1 LTR
In stock
$41.25 $60.00 -31%
FoxFarm Beastie Bloomz, 1 lb
In stock
$40.62 $59.35 -32%
Show another 64 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $1
  • $40500
Shop Owner
Brand
    Show all (92)