Nutrients & Amendments

Shop plant nutrients, supplements and soil amendments by what your plants need.

Shop by category: Base Nutrients · Supplements & Additives · Soil Amendments

Shop nutrient brands

Advanced Nutrients · Athena · Canna · Biobizz · Botanicare · Dyna-Gro · Emerald Harvest · Foxfarm · General Hydroponics · General Organics · Grotek · House & Garden · Humboldt County Emerald Triangle · Maxicrop · Mills Nutrients · Real Growers · Roots Organics · Super Bat · Technaflora · Xtreme Gardening

615 products
  • CaMg+ 1 qt
    $24.95
    $19.59
  • Dyna-Gro Bloom, 1 gal
    $71.95
    $57.56
  • Silica Blast 1 qt
    $22.95
    $17.56
  • Canna Start 1L
    $21.95
    $17.95
  • Voodoo Juice 1L
    $87.95
    $63.95
  • Down To Earth Bio-Live 5 - 4 - 2 5lb
    $24.95
    $19.95
  • Down To Earth Crab Meal 4 - 3 - 0 5lb
    $20.95
    $15.96
  • Down To Earth Kelp Meal 1 - 0.1 - 4 lbs
    $24.95
    $24.95