Dec 19, 2014 #1 B briseymo Aquarium Advice Apprentice Joined Dec 3, 2014 Messages 19 Location Bloomington, Indiana The title says it all! What exactly are these things and how do they work? What are the pros and cons?
The title says it all! What exactly are these things and how do they work? What are the pros and cons?
Dec 19, 2014 #2 Mebbid Aquarium Advice Addict Joined Mar 1, 2013 Messages 12,626 Location Michigan USA It's a tank that's separate from your display. Water drains from the display and into the sump and then gets pumped back into the tank. Benefits It can basically be turned into a big filter Added tank water volume Can keep pregnant livebearers if you add in a refugium section Can also keep stressed or injured fish safe and separate if there's a refugium section Keep visible equipment such as heater out of the tank Cons Cost Chance of failure Added weight Imho, they are overrated for fresh water but almost necessary for salt.
It's a tank that's separate from your display. Water drains from the display and into the sump and then gets pumped back into the tank. Benefits It can basically be turned into a big filter Added tank water volume Can keep pregnant livebearers if you add in a refugium section Can also keep stressed or injured fish safe and separate if there's a refugium section Keep visible equipment such as heater out of the tank Cons Cost Chance of failure Added weight Imho, they are overrated for fresh water but almost necessary for salt.