Aquarium Pharmaceuticals Filstar Activated Carbon 5.3 oz (150 grams) is a high quality carbon for removal of dissolved organic wastes, foul odors, colors, and toxins your aquarium water.
- Six times more absorptive power of any coal or charcoal
- Highest grade filter carbon - One pouch treats 55 gallons
- Fits Rena Filstar XP Canister Filters
Filstar Super Activated Carbon will not raise your levels of phosphate or affect the pH levels. Filstar Super Activated Carbon comes in a convenient ready to use pouch and fits theFilstar XP1, XP2, and XP3 Canister filters!