BIOMAX for U2/U3/U4 Underwater Filter, 3.88 oz / 110 g

Compatibility – U2/U3/U4

BIOMAX provides an optimal environment for the colonization and growth of beneficial bacteria.

• Provides an optimal environment for the colonization and growth of beneficial bacteria
• Unique bio rings have a complex pore system that provides an optimal environment where beneficial bacteria can thrive
• Also reduces and controls ammonia and nitrate
• Perfect for freshwater and marine environments
• Designed for Fluval U2, U3, U4 Underwater Filters
• 110 grams