Your pool stays clean and clear with hth sanitizer products, designed to effectively guard against bacteria, algae and other organisms. We offer two types of chlorine-based sanitizers: stabilized and unstabilized. hth Ultimate Benefit: hth Ultimate Mineral Brilliance is a 7-in-1 multi-purpose sanitizer that provides brilliantly clear water,controls algae , clarifies water, dissolves fast, helps prevent stain and scale and softens water. The burst of blue leads to clearer, cleaner water. Visible Blue Action - so you know It's working!