Experience superior water quality with Pond Matrix™! This high-capacity biofiltration, packed with 160,000 cm2/L of highly porous surface area, helps keep your pond clean by controlling ammonia, nitrite, and nitrate. Unlike other media, its ideal macropore size supports both aerobic and anaerobic bacteria, ensuring pollutant removal. It's inert, durable, and easy to clean; use 1–2 liters for every 100 US gallons. Pond Matrix™ works with all wet or wet-dry filtration systems and comes in 1L, 2L, 4L, and 20L sizes. Get gross-pollutant-free, crystal-clear pond water with Pond Matrix™!