Sprint 138 6% EDDHA Iron Chelate, 5lb

6% EDDHA Chelated Iron for the Toughest Alkaline Soils

The most challenging alkaline and calcareous soils can defeat weaker iron chelates before they ever reach the plant. Sprint 138 is a 6% EDDHA chelated iron micronutrient built as one of the strongest chelates available, correcting iron deficiency even in soils where other iron sources fail.

Sold as a 5lb bag.

Key Features & Benefits

• 6% fully chelated EDDHA iron — one of the strongest iron chelates available for the most challenging alkaline soils.
• Built for alkaline and calcareous soils — holds up where weaker chelates lose iron availability.
• Soil or foliar application — apply as a soil treatment or a foliar spray to correct iron deficiencies.
• Prevents iron from binding with other soil compounds — keeps iron in a form readily available for plant and turf use.
• Wide range of ornamental compatibility — works across ornamental plant varieties in horticulture production settings.

Who Should Use Sprint 138

This fits nurseries, gardens, landscape plantings, and turf managers correcting iron deficiency specifically in alkaline or calcareous soils, where a stronger chelate than standard DTPA products is needed.

About Sprint 138 6% EDDHA Iron Chelate

Sprint 138 is a 6% EDDHA chelated iron micronutrient built for the toughest alkaline and calcareous soils, sold as a 5lb bag.

Frequently Asked Questions

What makes Sprint 138 different from a standard iron chelate?

It's a 6% EDDHA chelate, one of the strongest chelates available, purpose-built for the most challenging alkaline or calcareous soils where weaker chelates can lose iron availability. That extra strength is the main reason to choose it over a standard DTPA product.

What soil types is Sprint 138 best suited for?

Alkaline and calcareous soils — conditions the label specifically calls out as the toughest for iron availability. These are exactly the conditions where weaker chelates tend to fail.

How do I apply Sprint 138?

It can be applied either as a soil application or as a foliar spray to correct iron deficiencies. Choose the method that fits your current deficiency symptoms and equipment.

What plants can I use this on?

It works across a wide range of ornamental plant varieties in horticulture production settings, as well as nurseries, gardens, landscape plantings, and turf. That breadth makes it a versatile choice for tough-soil iron correction.

What size does this bag hold?

This listing is the 5lb bag size. Application rate varies depending on your soil or foliar method — follow the label rate for your specific use.