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I was wondering just how important a biological filter is in a modern panted tank?
I mean, if you carry out a 50% water change every week, keep a minimal amount of live creatures & have a large amount of healthy flourishing plants, do you actually need a dedicated biological filter unit?
I am not talking about water flow here or mechanical filtration or even biological activity within the tank just the importance of a dedicated pump fed biological filter?
I mean, if you carry out a 50% water change every week, keep a minimal amount of live creatures & have a large amount of healthy flourishing plants, do you actually need a dedicated biological filter unit?
I am not talking about water flow here or mechanical filtration or even biological activity within the tank just the importance of a dedicated pump fed biological filter?