Kolar Labs Crystal Cal Activated Carbon 5 Gallon Activated Charcoal for Aquariums and Fish Tanks

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
• EASY TO USE: Use 1 cup per 50 gallons (1 tablespoon for every 3 gallons); Change every 2-4 weeks; Short rinse before use

Crystal Cal has a large pore structure, similar to that of lignite carbons, for effective removal of higher molar weight color inducing molecules from aquariums. Most of the carbon sold for fish tanks is made to treat air, resulting in high levels of contaminants, such as phosphates, which may leach into water.