Fluval U2 Underwater Filter fish food Its facial area features light

Its facial area features light coloring with speckles on the lower portion

5 is formulated to lock the pH at 6

Maintaining a stable pressure is one of the most important cariables to ensure optimal performance of your water filter

If either becomes deficient

Provides a full-complement  of vitamins in the same ratios found in the tissues of filter-feeding marine invertebrates

Fluval U2 Underwater Filter fish food Its facial area features lightDesigned for aquarium up to 30 gallons Use as a primary filter for smaller aquariums, or supplementary filter for larger aquariums Position horizontally for shallow tanks, larger tanks with low water levels, or to create a decorative waterfall feature Position vertically against aquarium wall to create currents or customized flow patterns Convenient flip top lid allows for quick and easy access to filter cartridge for maintenance or replacement