I have two 10g tanks. the old established tank is skimmerless. Does great with HOB filter and WCs. The new tank is bare bottom. It has a remora c skimmer. It is lightly stocked and barely feed and the skimmer pulls alot of skimmate from the water. My guess is that the eco sytem is not achieved it's happy balance yet. Every tank is different. When you start your new tank, your water parameters will tell you what is needed.
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