JBJ AN-11 Phosphate Reducer Pad 10x18x1" – High-Capacity Media Sheet for Custom Aquarium Filtration

Compact Brilliance for Modern Aquascaping

The AN-11 Phosphate Reducer Pad is a powerful chemical filtration media designed to reduce phosphate levels and help control algae growth in freshwater and saltwater aquariums. This large 10 x 18 x 1-inch pad can be cut to fit virtually any filter system, making it ideal for sumps, hang-on-back filters, canister filters, and custom filter chambers. The high-capacity media actively binds phosphates and helps maintain clearer, healthier water conditions.

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Controls Algae Growth
Rapidly reduces phosphate levels to help prevent nuisance algae outbreaks in reef and planted tanks.

Custom Fit
Large sheet can be easily trimmed to fit your specific filter size and layout.

Safe for All Systems
Reef-safe and suitable for all freshwater, saltwater, and reef aquariums.

Long-Lasting Performance
High-capacity formula provides weeks of continuous phosphate removal.

Effortless Installation
Simply place in high-flow areas of your filtration system — no special equipment needed.

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• 1 × Phosphate Reducer Pad (10 x 18 x 1 in.)
• Packaged flat for easy storage and trimming

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✅ Trusted phosphate control for reef-safe systems
✅ Versatile and easy to use with most filters
✅ Reduces algae growth and clarifies water
✅ Designed for hobbyists who demand clean, healthy tanks

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How long does the pad last?
Typically 2–4 weeks depending on bioload and phosphate levels. Monitor water parameters for replacement timing.

Can I use this pad with activated carbon or other media?
Yes! It works well alongside carbon, ceramic rings, or mechanical filter pads.

Do I need to rinse the pad before use?
A quick rinse with RO or tank water is recommended to remove any loose particles before placing it in your system.