
Iron DTPA Chelate 11% Fe, 1 lb
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21% under what the other stores charge
Compared across 5 stores. Prices are checked against each store and labelled with when.

21% under what the other stores charge
Compared across 5 stores. Prices are checked against each store and labelled with when.
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Lowest price we've seen: $29.99 on Nov 11 at Walmart. Tracked across 4 stores since Nov 11.
Iron DTPA Chelate supplies 11% iron (Fe), chelated with DTPA , for crop-specific hydroponic, fertigation, soil, and foliar nutrient programs. This 1 lb Custom Hydro repack offers a measured-size alternative to a bulk bag.
Guaranteed Analysis
• Iron (Fe): 11%
• 11% chelated iron
• Derived from iron DTPA (diethylenetriaminepentaacetic acid ferric-sodium hydrogen complex).
Hydroponics & Soilless Fertigation
Use as the iron component of a complete nutrient program. Select a crop-specific target and account for iron already supplied by water and other fertilizers. The following example supplies approximately 0.84–1.40 ppm added iron, calculated using the 11% label guarantee; it is not a universal crop requirement or a foliar spray recipe.
128× Stock Solution
• Weigh 3.70–6.17 grams with an accurate scale. Dissolve in water, then bring to a final stock volume of 1 US gallon .
• Measure 1 US fluid ounce of stock and dilute with water to make 1 US gallon of final nutrient solution .
• The lower stock amount adds approximately 0.84 ppm iron; the higher amount adds approximately 1.40 ppm. Reduce the amount when other ingredients already supply iron.
Do not apply stock undiluted. All liquid measures are US units. Verify injector dilution before use. Protect prepared solutions from light and use within one to two weeks, as advised in the Dissolvine reference sheet. Check iron levels after recirculation or disinfection rather than adding iron blindly.
Soil & Foliar Use
Determine soil rates from soil testing and crop-specific recommendations. The Dissolvine reference recommends soil application below pH 7.5. For foliar application, obtain a crop-specific rate from a qualified crop advisor; do not use the root-feeding stock recipe as a spray rate. Test on a small representative group of plants before general application. Avoid hot, sunny periods and do not spray during bloom.
Mixing, Storage & Handling
Dissolve separately in water and check compatibility before preparing a full tank. Avoid direct contact with concentrated acids. Do not mix foliar sprays with copper- or zinc-based chemicals. Chelated zinc, manganese, and copper are preferred when included in a formulated nutrient stock with iron DTPA; this does not establish compatibility with every mixture.
Store dry product tightly closed in a cool, dry place away from children, animals, food, and feed. The supplied SDS warns that combustible dust concentrations may form in air. Avoid generating or accumulating dust and follow the SDS for handling and protective measures. Do not rely on deficiency symptoms alone when selecting a corrective treatment.
Product Details
• Net weight: 1 lb
• Container: resealable tall jar with screw-top lid
• Nutrient: iron
• Chelating agent: DTPA
• Not a complete fertilizer
Repacked and labeled by Custom Hydro; not an original manufacturer-sealed package. The Dissolvine documents below provide reference information for D-Fe-11. Their stated 11.6% iron content differs from this repack's 11% guarantee; the mixing example above uses 11%.