According to the manufacturer, you can use the Grow More Organic Iron Chelate 10% at 1 tsp per gallon of water. For a planted medium size Maple Trees, we recommended to moisten the soil around the tree before any application. Apply 1 gallon of finished solution on each side of the tree 3 X's every time you water your tree.
The Chelating agent in Grow More Organic Iron Chelate 10% Fertilizer helps the iron to better dissolve in water so it can be more accessible to plants. The exact inert ingredients in this fertilizer are considered proprietary to the manufacturer.
The Grow More Organic Iron Chelate 10% would contain 4% more of the perecentage of Chelated Iron nutrient in the Grow More Iron Chelate 6%. The percentage is referring the percentage of the nutrient or active ingredient.
Grow More Organic Iron Chelate 10% has been discontinued, Sprint 330 Chelated Iron 10% would be an alternative Chelated Iron product with the same 10% of the nutrient.