I would like to not have to use a filter. I'm getting a new skimmer and was wondering if the skimmer could replace the filter. Is their an aclimation process or what? Do i have to break in the skimmer first or can i just take off the filter when i put it in. Should i go down to just filtering a half a day for a week before i remove it? I have 7 fish in my tank, do they keep me from removing the filter or will the skimmer take care of them to? The tank is only a 29g. W/o a sump. If i removed the filter it would give me a little more room so that i could add a sump IF i had to. What do yall think, is filterless harder than i thought?