Ultrasol® micro Boron. It is specially designed to satisfy the Boron needs of crops via fertigation. Its solubility and high Boron concentration allows to satisfy with low doses, the requirements of this element of all crops, reducing possible phototoxicity problems due to bad dosages. The high purity of this product avoids contamination of the nutritive solution. Ultrasol® micro Boron is the safest soluble source of Boron in the market, "This product is within the category of plant nutrients and is not classified as toxic according to NMX-R-019-SCIFI-2011. Read the safety data sheet carefully before using this product."