The TidalTM Polishing Pad traps and removes fine particles and debris, polishing water to exceptional clarity. As with all mechanical filtration media, the TidalTM Polishing Pad should be cleaned regularly by thoroughly rinsing under clean water. When it no longer rinses clean or has visible signs of wear, it should be replaced. The TidalTM Polishing Pad is designed for use with all TidalTM Filters. Use with Seachem ClarityTM for maximum performance.