Nutrients & Additives

Nutrients & Additives
Showing 309 of 309 products
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  • Plant Success / Great White Great White 8 oz.
    Regular price
    $72.68 USD
    Regular price
    Sale price
    $72.68 USD
    Product Details Great White is a premier mycorrhizal product. It contains carefully selected mycorrhizal fungi and bacteria well-suited to a variety of soils, climates and plants.  The microbes i...
  • Great White Granular 1, 2.2lbs
    Regular price
    $49.65 USD
    Regular price
    Sale price
    $49.65 USD
    Great White Granular 1 is the most affordable organic, mycorrhizal product in the marketplace.?? It is well-suited for use in vegetable, fruit and flower gardens.?? Great White Granular 1 adds ben...
  • Roots Organics Elemental 3 lb
    Regular price
    $44.81 USD
    Regular price
    Sale price
    $44.81 USD
    Product Details Roots Organics Elemental macronutrient and micronutrient supplement was specifically created to augment calcium and magnesium levels and prevent deficiencies that can occur with f...
  • FoxFarm Bushdoctor Sledgehammer Qt
    Regular price
    $48.44 USD
    Regular price
    Sale price
    $48.44 USD
    Product Details Bush Doctor® SledgeHammer® encourages water movement through soil and soilless media. High fertilizer use can compromise plant growth over time due to concentrated mineral salt dep...
  • Grotek Pro Silicate, 4 L
    Regular price
    $68.06 USD
    Regular price
    Sale price
    $68.06 USD
    Product Details Pro-Silicate is a nutritional silicate additive containing potassium and silicon. It helps keep the plants upright, positioning the leaves correctly for maximum light exposure that...
  • Roots Organics CalMag 1 qt
    Regular price
    $44.97 USD
    Regular price
    Sale price
    $44.97 USD
    Product Details Roots Organics CalMag is a pure and all natural blend of calcium, magnesium and sulfur to support plants during fast growth. By creating a product free of added nitrogen, phosphate...
  • FoxFarm Bushdoctor Boomerang 1 gal
    Regular price
    $105.88 USD
    Regular price
    Sale price
    $105.88 USD
    Product Details Even Mother Nature needs a little help sometimes! Boomerang® lends a hand when the stresses of temperature fluctuations, unintentional neglect, and mineral salt build up knock your...
  • FoxFarm Bushdoctor Kangaroots Qt
    Regular price
    $49.15 USD
    Regular price
    Sale price
    $49.15 USD
    Product Details Bush Doctor® Kangaroots® is a liquid root drench formulation designed to enhance root efficiency in the rhizosphere for seedlings and mature plants. For use on in-ground plantings,...
  • Grotek Grotek Pro-Silicate 23L
    Regular price
    $323.17 USD
    Regular price
    Sale price
    $323.17 USD
    Product Details Pro-Silicate is a nutritional silicate additive containing potassium and silicon. It helps keep the plants upright, positioning the leaves correctly for maximum light exposure that...
  • Nectar for the Gods Gaia Mania, 1 qt
    Regular price
    $39.98 USD
    Regular price
    Sale price
    $39.98 USD
    Product Details Gaia Mania is one of Oregon's Only Organics' original products, and was designed to work as a standalone nutrient for home gardeners. This product has been around for many years, ...
  • FoxFarm Bushdoctor Microbe Brew 1 pt
    Regular price
    $39.91 USD
    Regular price
    Sale price
    $39.91 USD
    Product Details Bush Doctor® Microbe Brew® is a liquid microbial inoculant with a complex blend of ingredients specially formulated to help plants achieve enhanced root efficiency and nutrient upt...
  • Hydrofarm FoxFarm Grow Big?? Hydro Liquid Concentate, 1 pt
    Regular price
    $37.74 USD
    Regular price
    Sale price
    $37.74 USD
    Product Details Based on FoxFarm's popular Grow Big® Liquid Plant Food, Grow Big® Hydroponic Liquid Plant Food is a liquid concentrate fertilizer specifically designed for hydroponic use.Grow Big®...

Showing 121 -132 of 309 items