Boyd Chemi-Pure Blue provides all the benefits of original Chemi-Pure, tailored specifically for the needs of marine and reef aquariums. This proprietary blend of low-dust, pelleted, activated carbon in a nylon bag is an all-in-one media that provides superior filtration to keep your water crystal clear.

• Premium activated carbon + high grade ion-exchange resins
• All-in-one filter media in a nylon bag
• Specially designed for marine and reef aquariums

Chemi-Pure Blue features a highly effective blend of activated carbon and high capacity ion-exchange resins that significantly reduces organic compounds, waste, and phosphates, while raising redox and maintaining a stable pH in saltwater aquariums.

Use one 11 oz treats 75 gallons.