6.90€ – 56.90€
High capacity biofiltration Controls ammonia, nitrite, and nitrate Highly porous – enormous surface area (>~700 m2/L) Supports aerobic and anaerobic bacteria species Use 250 mL of Matrix for each 200 L (50 US gallons) of water.
9.40€
4.31€ – 6.26€
11.69€
5.19€
4.47€ – 6.49€
7.21€ – 11.58€
15.90€ – 48.90€