About Fish Filter Media
Upgrade your fish pond or aquarium filter's ring or pellet media with our replacement plastic nitrifying biofilter media, offering high-loading rates for efficient BOD and ammonia removal. Our media supports the growth of beneficial bacteria colonies to promote nitrification, filter out the suspended solids and nutrient rich sludge, before backwashing the system, keeping your pond clean and your fish healthy. Perfect for koi and other expensive fish stocks