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Deal.ai › Buying guides

Best chelated micronutrient fertilizers for hydroponics

Researched by Deal.ai's shopping agent across stores on November 6, 2026. Prices below are today's.

Top pick: Drip Hydro Chelated Micronutrient Powder (5 lb). It's a dedicated, fully chelated trace-element blend — iron, manganese, zinc and boron in one scoop — so you can dose micros into a reservoir without guessing ratios. Best for anyone running a recirculating or drain-to-waste hydro system who mixes their own base nutrients.

Chelated Micronutrient Mix (Custom Hydro) — the same idea in a bigger pail for large reservoirs, or a 1 lb jar if you're just starting out.

Greenway Biotech 8-16-36 with chelated micros — a complete feed with EDTA-chelated iron, manganese, zinc and copper already in it; suits growers who'd rather not blend base plus micros.

Ferti-Lome Chelated Liquid Iron — a quick fix when you're seeing iron chlorosis on new growth, not a full micro program.

General Hydroponics FloraPro Ca + Micros — for calcium alongside micros in coco or soft water.

Skip the granular soil micronutrients and the plain N-P-K veg/bloom feeds — they're not built for solution dosing.

The picks

  1. Drip Hydro
    Drip Hydro 5 lb Powder D Chelated Micronutrient Fertilizer
    #1

    Drip Hydro 5 lb Powder D Chelated Micronutrient Fertilizer

  • Iron (Fe): 8.13%
  • Manganese (Mn): 2.60%
  • Zinc (Zn): 1.30%
  • Boron (B): 0.98%
  • Copper (Cu): 0.25%
  • Molybdenum (Mo): 0.98%
$159.99at Tractor Supply CoObserved at 10:33 PMPrices and history →
  • C
    Chelated Micronutrient Mix 22 lb.
    #2

    Chelated Micronutrient Mix 22 lb.

    • Package size: 22 pound pail
    • Chelated Iron (Fe): 7%
    • Chelated Manganese (Mn): 2%
    • Chelated Zinc (Zn): 0.4%
    • Chelated Copper (Cu): 0.1%
    • Boron (B): 1.3%
    $275.00at Custom HydroVerifiedPrices and history →
  • C
    Chelated Micronutrient Mix, 1 lb
    #3

    Chelated Micronutrient Mix, 1 lb

    • Product form: water soluble micronutrient fertilizer
    • Chelated Iron (Fe): 7%
    • Package size: 1 lb
    $36.53at Custom HydroVerifiedPrices and history →
  • C
    Cucumber Fertilizer 8-16-36 | Chelated Micronutrients | Hydroponics, Soil & Foliar Application
    #4

    Cucumber Fertilizer 8-16-36 | Chelated Micronutrients | Hydroponics, Soil & Foliar Application

    • Nitrogen (N): 8%
    • Available phosphate: 16%
    • Soluble potash: 36%
    • Micronutrients: EDTA-chelated iron, manganese, zinc, and copper plus boron and molybdenum
    • Water solubility: 100% water-soluble
    • Item form: Powder
    $38.99at Greenway Biotech, Inc.VerifiedPrices and history →
  • Fertilome
    Ferti-Lome Chelated Liquid Iron and Other Micro Nutrients - Quart
    #5

    Ferti-Lome Chelated Liquid Iron and Other Micro Nutrients - Quart

    • size: 1 qt
    • Iron content: 3.25% Chelated Iron (Fe)
    • Copper content: 0.05% Chelated Copper (Cu)
    • Manganese content: 0.15% Chelated Manganese (Mn)
    • Zinc content: 0.16% Chelated Zinc (Zn)
    • Application methods: Foliar & Soil Applications
    $20.48at WalmartVerifiedPrices and history →
  • General Hydroponics
    General Hydroponics FloraPro Ca + Micros
    #6

    General Hydroponics FloraPro Ca + Micros

    • Total Nitrogen: 14.0%
    • Ammoniacal Nitrogen: 0.9%
    • Nitrate Nitrogen: 13.1%
    • Calcium: 17.0%
    • Chelated Calcium: 0.47%
    • Boron: 0.06%
    $66.49at Hydro CityVerifiedPrices and history →
  • Boca Hydro
    Boca Hydro Chelated Iron EDTA 14% Water-Soluble Hydroponics Grade Micronutrient
    #7

    Boca Hydro Chelated Iron EDTA 14% Water-Soluble Hydroponics Grade Micronutrient

    • size: 1 lbs
    $24.99at WalmartVerifiedPrices and history →
  • Boca Hydro
    Boca Hydro Chelated Zinc EDTA 14% Water-Soluble Plant Micronutrient Fertilizer, 1 lb
    #8

    Boca Hydro Chelated Zinc EDTA 14% Water-Soluble Plant Micronutrient Fertilizer, 1 lb

    • size: 1 lbs
    • Zinc content: 14%
    • Chelating agent: EDTA
    • pH stability range: pH 4–9
    • Form: Powder
    • Item weight: 16 ounces
    $24.99at WalmartVerifiedPrices and history →
  • Fertilome
    Fertilome 32OZ Chelated Iron (Pack of 2)
    #9

    Fertilome 32OZ Chelated Iron (Pack of 2)

    • size: 32 oz
    • Iron content: 3.25%
    • Chelated iron: 3.25% Chelated Iron (Fe)
    • Copper content: 0.05% Chelated Copper (Cu)
    • Manganese content: 0.15% Chelated Manganese (Mn)
    • Zinc content: 0.16% Chelated Zinc (Zn)
    $42.88at WalmartVerifiedCompare 2 stores →
  • City Farmer
    Cityfarmer Hydroponic AB Plant Food Nutrients, A & B Fertilizer for Hydroponics
    #10

    Cityfarmer Hydroponic AB Plant Food Nutrients, A & B Fertilizer for Hydroponics

    • size: 200 mL
    • multipack_quantity: 1
    $8.99at WalmartVerifiedPrices and history →
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