0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
20
Gaia Green Mineralized Phosphate, 20 kg
Out of stock
$21.69 $133.99 -84%
General Hydroponics Liquid KoolBloom 0-10-10 - 32oz
In Stock: 433
$21.65 $30.18 -28%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 30lb - OMRI Listed
In Stock: 3649
$21.48 $30.99 -31%
Biobizz CAL-MAG 1L
In Stock: 35
$21.42 $28.86 -26%
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 32oz - Raises the pH in Nutrient Solution
In Stock: 288
$21.37 $24.99 -14%
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 32oz - Lowers the pH in Nutrient Solution
In Stock: 96
$21.37 $24.99 -14%
Roots Organics Elemental, 3 lbs
In Stock: 643
$21.26 $28.61 -26%
HEAVY 16 Finish, 32 oz
In Stock: 2795
$21.25 $31.49 -33%
General Hydroponics ARMOR SI 0-0-4 - 32oz - CA Restriction
In Stock: 99
$21.21 $29.80 -29%
General Hydroponics ARMOR SI 0-0-4 | 32oz
In Stock: 283
$21.21 $29.80 -29%
FoxFarm Happy Frog Soil Conditioner | 3cu ft - West Only | (35/PL)
In Stock: 2452
$21.18 $23.99 -12%
Gaia Green Greensand, 1.25 kg Pouch
In Stock: 129
$21.13 $26.49 -20%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 32oz - Step 2 for 3-Part Feeding Programs
In Stock: 45
$21.11 $24.99 -16%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 6oz Jar
In Stock: 24
$21.10 $23.99 -12%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 16oz - OMRI Listed - (Case of 12)
In Stock: 31
$21.09 $28.49 -26%
Coast of Maine Kelp Meal Organic Plant Food 1-0-1, 4 lbs
Out of stock
$21.06 $22.99 -8%
Olivia's Cloning Solution | 1gal - (Case of 4)
In Stock: 8
$21.05 $37.95 -45%
Coast of Maine Lobster Meal Organic Plant Food 6-2-0, 4 lbs
In Stock: 8
$21.01
Aptus MINERAL-CALMAG, 1 L
In Stock: 129
$20.97 $29.00 -28%
Roots Organics CalMag | 32oz - (Case of 12)
Out of stock
$20.91 $21.99 -5%
Show other 20 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $0
  • $43740
Shop Owner
Brand
    Show all (88)