External Aquarium Filters

On the query on how long it will take for a 30 - 50 gallon aquarium to settle before fishes can be safely added, the answer is it greatly varies because every tank is unique.

One would have to test a new tank for ammonia, nitrite, and nitrite levels for it to be considered stable and safe for fishes to be added. It is wise to keep a tester kit handy. Ammonia and nitrite should read zero on the tester before you can add any live load.

If you are trying to start a saltwater tank, you may have a protein skimmer such as a

installed aside from your canister filter system like as Eheim Pro 2. Saltwater tanks needs to stabilize in a much longer period than freshwater tanks which linger between 2 weeks to a month to stabilize. Expect to wait more than a month before your saltwater tank can accept starter fishes.

Tags: how long to add fish