How to clean a used fish tank? | Fish Tank Aquariums
About 1-2 weeks put tap water in it , put "cycle" medicine to build up bacteria on plants and glass and put a dab of fish flakes at the top so the bacteria will build up. Get a filter, and heater (If you get tropical fish). You only use salt water if you have salt water fish , or if they have a disease. Put about 2-3 fake plants in (I don’t use real plants , parasites can live on them and get on your fish) , a hiding spot (hut. Sometimes fish suck the rocks up and they can get in their mouth and chock. Sometimes it depends on the fish. What kind of fish are you getting.











