How long to set up goldfish tank How long should you leave a fish tank before adding goldfish? Wait until both the ammonia and nitrite levels have risen and then fallen to zero before adding more fish. It usually take about 3-6 weeks for a new aquarium to go through the initial Nitrogen cycle, so fish should be added only a few per week during this time.
What Can I Put In The Tank With Gold Fish?
Can snails live with goldfish? Yes, and by mixing snails with goldfish, they can even have a harmonious relationship.There are just a few things you need to keep in mind because one snail is different from the other: smaller ones could be food for the fish while larger ones may not fare as well.
