I have a thirty gallon tank with an UG filter with air pump and a penguin biowheel 330.I want to change to a powerhead instead of a air pump to work the UG filter.I have had the tank running for one year.Do you think I'm going to kick up stuff from the bottom when I change over.I vacuum my gravel once a week when I do my 20% water change.Do you guys see any problems I might have changing over.Thanks