JBJ AN-13 Activated Carbon Pad 10x18" – Custom-Cut Sheet for Crystal Clear Aquarium Filtration

Compact Brilliance for Modern Aquascaping

The AN-13 Activated Carbon Pad offers powerful chemical filtration in a flexible 10" x 18" sheet that can be trimmed to fit virtually any aquarium filter system. Designed to remove discoloration, odors, and dissolved organics, this high-quality carbon-impregnated pad helps keep your water crystal clear and your aquatic environment healthier. Ideal for freshwater, saltwater, and reef tanks.

⸻

Clearer, Cleaner Water
Effectively removes tannins, odors, and impurities that cloud your water and affect livestock health.

Versatile & Customizable
Large 10 x 18" size can be cut to fit filter trays, sumps, HOBs, canisters, and more.

All-Aquarium Safe
Works great in freshwater, marine, and reef aquariums — safe for fish, plants, and corals.

Easy Maintenance
Simple to insert and replace during regular tank maintenance.

Long-Lasting Filtration
Durable pad lasts up to four weeks, depending on bioload and tank size.

⸻

• 1 × Activated Carbon Pad (10 x 18")
• Flat-packed and easy to trim

⸻

⸻

✅ High-efficiency carbon filtration
✅ Trim-to-fit convenience
✅ Ideal for all tank types
✅ Supports healthier, clearer aquascapes

⸻

How often should I replace the pad?
Replace every 2–4 weeks for best results, or sooner if water becomes cloudy or discolored.

Can I stack this with other filter media?
Yes, it pairs well with mechanical sponges and biological pads for comprehensive filtration.

Is it safe for reef aquariums?
Absolutely — it’s reef-safe and free of leaching chemicals.