Solubor 20.5% Boron (Sodium Borate) – 50 lb Bag For Sale Finishline

Solubor has the highest concentration of boron (20.5%) and the maximum possible dispersion and solubility in water and other solutions even at lower temperatures. Solubor can be used as a dry fertilizer, and in foliar sprays, fertigation, and hydroponics, alone or in combination with many other nutrients.