Karis Bio Chemical Filter Wool Mat, 200x100x3.8cm

The biological filter mat is crafted from premium materials that promote the growth of beneficial nitrobacteria. With its robust filaments and sturdy structure, it serves as an ideal middle-layer filtration medium. Healthy koi thrive in clean water! Therefore, implementing both mechanical and biological filtration is essential to maintain a natural equilibrium in your koi pond. The biological filtration process effectively eliminates harmful ammonia and nitrites through the action of bacteria. A superior filter medium provides a large surface area for bacterial attachment while allowing adequate water flow through the filter without the risk of clogging.

• Excellent water resistance and light resistance
• Outstanding water and air permeability
• Flame retardant properties
• Washable and can be recycled multiple times
• Highly durable

Dimensions: 200x100x3.8cm