Seachem Clarity Water ClarifierSeachem Clarity is the ultimate clarifier for both fresh and saltwater. It employs an advanced polymeric flocculating agent that is both reef and plant safe. Clarity is the only clarifier on the market that does it all! Water clarifier for fresh and saltwater aquariums Helps clear cloudy water fast Safe for use in live plant and reef tanks Seachem Clarity will clear all types of clouding, including: bacterial and other biological type blooms, chemical