API Bio-Chem Zorb Filter Pouches, Size 6, 18 Count

API Bio-Chem Zorb is a pre-dosed pouch of resin and carbon blend that goes into your filter to polish aquarium water. This pack holds 18 pouches in size 6, which fits most canister filters in freshwater, saltwater and reef tanks.

• Quantity: 18 pouches, size 6
• Resin and carbon blend removes compounds more effectively than carbon alone
• Targets colors, odors, heavy metals and toxic gases
• Replace about every 2 months, or sooner in a heavily stocked tank

Use when starting or maintaining an aquarium and swap pouches on schedule.