Blue Thumb Carbon Clear Activated Carbon, 5 Pounds Microbe-Lift Extension cables feature an IP68

Extension cables feature an IP68 rated housing

animal fat preserved with ethoxyquin

560-D0A60S Gray

Begins to work immediately

Ecofriendly and 100% biodegradable

Blue Thumb Carbon Clear Activated Carbon, 5 Pounds Microbe-Lift Extension cables feature an IP68Blue Thumb Carbon Clear is a bituminous coal exposed to extreme heat, which "activates" the carbon giving it a powerful ability to absorb chemical pollutants. The billions of pores within the carbon act as hundreds of sponges soaking in many pond pollutants such as tannin, ammonia, nitrite, and nitrate. The result is a polished, healthy environment. Includes mesh application bag Safe to use around aquatic life Treats up to 2,000 gallons