toxicfish said:I have a Ehiem ecco 2231 and a hydro sponge filter on the 30g, and I have a penguin 350 and a magnum350 on my 100g???
i have never had a prob until now....my tanks have been running for over a yearHarleyK said:Howdy,
Check the flow rates of both and calculate the time point when the tank will have been thru your filters once. That does not necessarily mean complete mixing of old and fresh water, but I think it's a good enough. I guess around 15 min would be fine.
HarleyK
yeah it is abt 15minHarleyK said:Howdy,
Check the flow rates of both and calculate the time point when the tank will have been thru your filters once. That does not necessarily mean complete mixing of old and fresh water, but I think it's a good enough. I guess around 15 min would be fine.
HarleyK