Organic Nutrients

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Organic Nutrients for Indoor & Outdoor Growing Organic nutrients encompass all naturally derived fertilizer and amendment products - plant, animal, and mineral-sourced inputs that feed the soil food web and provide plant-available nutrition without synthetic mineral salts. For growers prioritizing natural growing methods, OMRI-certified organic production, or the soil food web approach that characterizes living soil programs, Hydrobuilder carries the complete range of organic base nutrients, bloom boosters, and biological amendments from the industry's most trusted brands. Liquid Organic Nutrients Liquid organic formulas (fish emulsion, liquid kelp, fermented plant juices, and blended liquid organic concentrates) provide the most immediately available form of organic nutrition - partially broken down by the manufacturing process into more plant-accessible compounds than raw dry organics. Fox Farm Big Bloom, Emerald Harvest Root Wizard, and similar liquid organic products are applied as part of a weekly feed schedule alongside or instead of synthetic nutrients. Browse our complete organic nutrients collection for individual products and our organic nutrient packages for complete bundled programs with feed charts. Dry Organic Amendments Dry organic amendments (bat guano, kelp meal, worm castings, bone meal, blood meal, and compost) are incorporated into soil mixes before planting or top-dressed during the growing cycle. They release nutrients more slowly than liquid formulas as soil microorganisms decompose them - well-suited to living soil programs where the biological activity in the growing medium is a primary nutrient cycling mechanism. Granular dry organics are also used as base amendments when building custom soil blends, providing nutrient reserves that support the crop for weeks or months rather than requiring frequent liquid feeding. Fast shipping. Related Guides & Resources Learning Center Nutrients & pH in Hydroponics Best Plant Nutrients Guide