We finished setting up and cycling our 20gal. tank and over the course of a few months we placed in two fish. A beautiful clown fish and bi-colored angelfish. Along with those, we have 2 hermit crabs and 5 snails to help with some maintenance work.\n\nOur tests over the past two weeks of adding the second fish have been perfect. Ammonia is steady at 0 and nitrates never go beyond 5. I understand that you want to do water changes once a week/when the nitrates reach up to 20 but they never do. We haven't done a water change yet but should we be doing that if the nitrates never even rise? We also have about 5 or 6 pounds of live rock if that's making a big difference.\n\nSome pictures! :^: In the first picture you can see a bit of a diatom outbreak we had but it's gone done a ton since we made some feeding/lighting changes.