Fluval U2 Internal Filter (110L, 400L/h) Artificial Plants leaving an aquarium full of

leaving an aquarium full of toxic ammonia

depending on the number of airflow items you want to run

Regular Strength: Add 5ml per 37L

Flow rate is not adjustable

While such resins have a limited capacity for organic adsorption

Fluval U2 Internal Filter (110L, 400L/h) Artificial Plants leaving an aquarium full ofProvides 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