Fluval U2 Internal Filter (110L, 400L/h) Artificial Plants While such resins have a

While such resins have a limited capacity for organic adsorption

Flow rate is not adjustable

In artificial environments such as aquariums the proper bacteria are not usually present to ensure adequate biological activity all of the time

and creates ideal conditions for fish

Regular Strength: Add 5ml per 37L

Fluval U2 Internal Filter (110L, 400L/h) Artificial Plants While such resins have aProvides complete and efficient 3 stage filtration, including BioMax biological filtering, to create superior aquarium water quality For fresh, marine and reptile environments Adjustable 3 way flow control feature lets you position the water flow output to meet your specific needs Top utput setting provides maximum circulation and oxygenation Integrated Spray Bar setting provides a gentle, even flow for planted aquariums Bottom output setting is for