San Antonio, Texas-based Alamo Water’s new Antimicrobial Water Softener Treatment Aseptrol S-Tab 10 is specifically designed to control microorganisms in softeners. This safe, simple process is available exclusively through the company. Chlorine dioxide is quite possibly the most potent antimicrobial agent available today. Now, you can increase service revenue with chlorine without its handling problems or harmful by-products. With 4 to 7 times the biocidal activity of chlorine, the product works over a broad pH range.