Kolar Labs Crystal Cal Activated Carbon – 5 Gallon, Activated Charcoal For Aquariums And Fish Tanks

CONTAINS 15 lbs (6.8 kg)- FAST RESULTS: Works quickly to eliminate cloudy water colors and odors overnight – guaranteed TRUSTED SOURCE: Made according to Food Chemicals Codex (FCC) standards; Bringing you the highest quality bulk and packaged Activated Carbon HIGH PERFORMANCE: Laboratory grade granular activated carbon; Specifically made with optimum pore structure for aquarium use WORKS IN ALL FILTERS: Large granules allow great flow in any filter media bag cartridge or filter for efficient filtration; Use in reactors canister filters intank filters or hanging filters EASY TO USE: Use 1 cup per 50 gallons (1 tablespoon for every 3 gallons); Change every 2-4 weeks; Short rinse before use