Boyd Chemi‑Pure Blue 5.5 oz Aquarium Filtration Media Premium Extruded Carbon + Ion‑Exchange Resins in Nylon Bag Clears Toxins, Phosphates & MetalsBrand: Boyd Enterprises Color: White Blue Features: Wet Packed Chemi Pure is packaged wet (or more accurately, moist) for several key reasons related to its effectiveness and shelf stability. Wet Packed Chemi Pure is packaged wet (or more accurately, moist) for several key reasons related to its effectiveness and shelf stability. Minimizing Dust & Breakage The moisture in the packaging also: Reduces the amount of carbon dust, making it cleaner to