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 22 gram each
Specially designed for marine and reef aquariums
Perfect for Nano Marine Aquariums
One bag treats 5 gallons.
 
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.