Carl the Crimson Wonder
Fish Fanatic
- Joined
- Dec 3, 2008
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Just wondering, I know that fish don't sleep the same way people do, because they have to move to keep water flowing through their gills. I've heard they do go into a resting state. I was wondering should I turn off my tank lights at night so that it is easier for my fish to rest? Or is it a good idea to turn them off just to avoid a build up of agle?