EDTA-Chelated Copper for Hydroponic, Fertigation & Foliar Use
Copper EDTA 15% is a fully water-soluble chelated copper fertilizer delivering 15% copper (Cu) complexed with EDTA for maximum stability and plant availability. A blue-green fine powder sold in a resealable screw-top jar — the 4 lb size is ideal for small commercial operations, greenhouse growers, and anyone running multi-tank nutrient programs who needs a reliable, precision copper source.
Copper drives enzyme activation, photosynthesis, and lignin synthesis. EDTA chelation keeps copper in a plant-available form at the low concentrations required in nutrient solutions, reducing the risk of toxicity while ensuring consistent uptake.
Product Specifications
- Copper (Cu): 15% chelated with EDTA
- Formula: EDTA-CuNa₂
- Molecular weight: 397.7
- Appearance: Blue / blue-green powder
- Water insoluble: 0.05% maximum
- pH (1% solution): 6.0–7.5
- Target range in nutrient solution: 0.01–0.1 ppm Cu
Application Rates
- Hydroponic / constant-feed: Use at rates to achieve 0.01–0.1 ppm Cu in working solution; consult a qualified agronomist for crop-specific rates
- Foliar & fertigation: Apply per label recommendations; use in accordance with guidance from a qualified individual or institution
Key Features
- 15% chelated copper — high-analysis EDTA chelate; efficient Cu delivery at very low use rates
- Broad pH stability — maintains copper availability across a wide solution pH range
- Fully water soluble — 0.05% max water insoluble; no precipitates or injector clogging
- Resealable screw-top jar — keeps contents dry; easy to measure and store
- 4 lb size — ideal for small commercial growers and multi-system operations
State restrictions: Not available for shipment to Oregon.
Use in accordance with recommendations of a qualified individual or institution. Safety Data Sheet (PDF)
