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! Clarity will clear all types of clouding. As part of their ongoing environmental stewardship efforts Seachem will donate a portion of the profits for every specially labeled edition bottle of Prime, Stability, Pristine, and Clarity (in Bonus Sizes of 325 mL — 30% more) sold to a Rhino preserve in South Africa. SPECIAL BONUS SIZE – GET 30% MORE FREE!. As part of our ongoing environmental stewardship efforts, Seachem has joined the battle to support the protection of these endangered animals. We are pleased to announce specially labeled editions of Prime, Stability, Pristine, and Clarity – in Bonus Sizes of 325 mL (30% more). Seachem will donate a portion of the profits for every bottle sold to a Rhino preserve in South Africa. By donating directly, we can maximize the donated funds made available for the preserve.