Fluval U4 Underwater Filter refugium the dosage may be gradually

the dosage may be gradually increased if desired

Clumps tiny floating particles together

How to use Connect CO2 pipe to the inlet and stabilize the pipe

Brightwell Aquatics Xport Bio Cubes

) and soft coral aquariums up to approx

Fluval U4 Underwater Filter refugium the dosage may be graduallyDesigned for aquarium up to 65 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