For larger tanks or where organic contamination is severe, Flo King offers the Carbon Bag for in-tank treatment. The bags come in three lengths (10, 15 and 20 inches; 25, 38 and 50 cm) with the capacity to hold 5, 7.5, and 10 lb (2.3, 3.5 and 4.5 kg) of pelletized carbon. Use the standard disposable bag for one-time treatment; or, for repeated use, select the Permacore reusable bag, which can be emptied, cleaned, refilled with carbon and reused many times.

Flo King offers two types of Pelletized Carbon—HIGH GRADE for non-critical applications and acid-washed HIGH TECH for most plating applications.