Why Quality Matters

Low-Quality Boron Can Do More Harm Than Good 

Not all borate products produce the same quality or level of useable boron. When it comes to boron, product price is not always the best measure of true return on investment (ROI). A less expensive product can end up costing more over the long term if you need to purchase and apply more of it or if it does more harm than good.

Only high-quality, highly available, refined boron has a long-lasting, significant, positive effect on crop yield.

Arsenic in fertilizers
Arsenic (As) is a naturally occurring, toxic heavy metal dispersed in the environment through a variety of industrial, mining, and agricultural activities. Hi... Read More
Refining borate fertilizer at U.S. Borax
Not all boron sources are created equal. At U.S. Borax, our products are fully refined to remove impurities and maximize potential plant uptake.
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Not All Boron Fertilizers Are Created Equal
When choosing a boron supplement for your crops, you really do get what you pay for. Not all borate products produce the same quality or level of useable boro... Learn More

U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 650 customers with more than 1,800 delivery locations globally. We supply around 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles. Learn more about Rio Tinto.

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