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Soil Amendments

General Hydroponics MaxiGro 10-5-14 Base Nutrient Powder - 50 lb
In Stock: 19
$292.53 $466.35 -37%
FoxFarm Happy Frog Soil Conditioner - 3 cu ft
In Stock: 1963
$22.99 $25.49 -10%
Coast of Maine Quoddy Blend Organic Lobster Compost - 1 cu ft - OMRI Listed
In Stock: 386
$88.15 / $17.63 per unit
(minimum purchase of 5)
Down To Earth Granular Humic Acids Organic Soil Amendment - 50 lb - OMRI Listed
In Stock: 69
$47.75 $67.19 -29%
General Hydroponics MaxiBloom 5-15-14 Base Nutrient Powder - 50 lb
In Stock: 35
$292.66 $467.66 -37%
Down To Earth Langbeinite 0-0-22 Organic Fertilizer - 50 lb - OMRI Listed
In Stock: 106
$80.39 $105.29 -24%
Down To Earth Bio-Live 5-4-2 Organic Fertilizer - 50 lb - OMRI Listed
In Stock: 223
$113.07 $152.59 -26%
Down To Earth Seabird Guano 0-11-0 Organic Fertilizer - 40 lb - OMRI Listed
In Stock: 210
$73.42 $131.99 -44%
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 50 lb
Out of stock
$429.02 $644.99 -33%
Down To Earth Citrus Mix 6-3-3 Organic Fertilizer - 50 lb - OMRI Listed
In Stock: 39
$74.42 $97.99 -24%
Sustane 4-6-4 All-Purpose Fertilizer - 50 lb - OMRI Listed
In Stock: 195
$72.95
Down To Earth Bio-Fish 7-7-2 Organic Fertilizer - 50 lb - OMRI Listed
In Stock: 37
$80.26 $103.99 -23%
Sustane 8-2-4 All Natural Fertilizer - 50 lb - OMRI Listed
In Stock: 114
$100.18
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 50 Lb
Out of stock
$408.85 $490.64 -17%
Plant-Prod Epsom Salt Magnesium Sulfate Fertilizer - 50 lb - OMRI Listed
In Stock: 371
$39.30
Big Foot Mycorrhizae Granular Root Inoculant - 50 lb
Out of stock
$469.31 $685.19 -32%
Royal Gold Crown Jewels Grow Fertilizer 3-2-2 - 40 lb
In Stock: 27
$134.13 $163.08 -18%
Royal Gold Crown Jewels Bloom Fertilizer 1-4-2 - 40 lb
In Stock: 5
$146.49 $184.32 -21%
Down To Earth Kelp Meal 1-0.1-2 Organic Fertilizer - 50 lb - OMRI Listed
In Stock: 74
$239.14 $321.09 -26%
Roots Organics Terp Tea Grow Micronized Organic Dry Fertilizer - 7-1-1 NPK - 40 lb
Out of stock
$107.27 $156.59 -31%
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