One must be careful stirring anything up. I use a canister filter used to vacuum out my aquariums. I also use a DE filter also to keep the water column clean when does this. Cleaning is not a bad thing you just need to be cautious when doing it. Thru the years I have seen so many people crash their tank after simple water changes and stirring up the sand bed and having done it my self. I had to learn to be very careful when doing tank maintenance going forward.