<p>Reduce chlorine loss in your pool water by shielding it from the sun's UV rays, effectively “stabilizing” your chlorine.</p><ul><li><p>Reduces cyanuric acid levels by up to 50%</p></li><li><p>Eliminates chlorine-lock due to a high cyanuric acid level</p></li><li><p>Allows sanitizers to be more effective</p></li><li><p>Non-toxic, non-allergenic, non-polluting and leaves no residue</p></li><li><p>Ideal for draught stricken areas where a drain and refill are not possible</p></li></ul>

Bio-Active safely reduces CyA levels using a biological process that leaves no harmful or unsightly residue to affect bathers, plumbing or the environment. It is completely natural, biodegradable, non-toxic, non-allergenic, non-polluting and all-natural. Packaged in a 16 oz bag, it can treat pools of up to 50,000 gallons with a free chlorine level of no more than 7 ppm.