I think I am going to get a new filter, the one on there is old, it still works well, but runs about 200 gph if I remember correctly, might be a bit weak for a 55 gal tank though. I would transfer the gravel. My question with that would be, timing? Do I set the new tank up first? and get it to cycle first? Would it be safe to just bag the fish, move the gravel and the rest of the water, add new gravel and water, float the fish, then introduce them? I was thinking of trying to start the tank first, getting it cycled, at least partially, then bagging the fish, transferring gravel and water, and introducing fish. What is the safest way to do this, for the fish. There is no immanent rush.
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