Cropsalt's line of products are like no other. Our ratios and built-in supporting additives are designed to out-perform anything on the market. Cropsalt strives to deliver the best product at the best price. We encourage you to try our line for yourself and see the difference. We welcome side-by-side trials. At the end of the day, we are growers, not marketers. We succeed when you succeed.Calcium is key. Cropsalt is the only line with multiple forms of Calcium.