Even if you have an automatic feeder, no home aquarium should not be left unattended for more than three days. — ANDREA WARNECKE/dpa
An automatic feeder on an aquarium that can be filled up with flakes or granules for your pet goldfish sounds ideal, especially if you are going on holidays.
The feeder releases the food into the tank at regular intervals and keeps the fish well fed. That may sound too good to be true – and indeed it's not without a drawback or two.
