I had a quick question. Recently the fish in my 30 gallon tank died and I plan on emptying out the whole tank, cleaning EVERYTHING, and restarting the tank cycle and after 30 days, introducing new fish. However, I plan on keeping my Penguin Bio-Wheel filter that has a long-established bio wheel. This bio-wheel has been colonized by beneficial bacteria for a little over a year.
My question is, can i keep this colonized bio-wheel when i start this "new" tank or should I get a new one, and also will this colonized bio-wheel affect the cycling time of my tank?
thanks!