This item is currently out of stock and should be shipped 4-6 weeks. We recommend trying Fluval Filter Media
Fluval BIOMAX provides an optimal environment for beneficial bacteria growth. The bio rings have a complex pore system creating an optimal environment where beneficial bacteria can thrive. It also reduces and controls ammonia and nitrate. For freshwater
and marine environments.For U series filter models: U2,U3,U4
DISCLAIMER: The results described on the testimonials on this site, are the individual experiences and personal opinions of those who have purchased and used the products. These testimonials are not intended to make any claims that the products can be used to diagnose, treat, mitigate, cure or prevent any disease or medical condition.