Speed of water over filtration media

archivist13

New member
Is it better to have fast or slow water movement through the back of a Biocube 29 for optimal filtration. Going to be using an InTank Mediabasket with floss/purigen/chemipure. I have a MJ1200 that I could replace the stock return pump with, but am starting to think maybe the slower stock return pump would be beneficial because the media would have more contact with the water. I could place the MJ1200 in the tank for water movement there. Thoughts?
 

Crowed

New member
slower flow is better because of longer contact/reaction time. but aquarium is closed system, water recirculate through filter 24/7, and i doubt that there will be any visible differences with slower flow. but maybe you will spare few watts of electricity:)
 
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