Why Your New Fish Need a Quarantine Tank (And How to Set One Up)
Set up your quarantine system before you bring new fish home—a 50-100 gallon stock tank or spare aquarium with a basic sponge filter and heater will protect your entire pond population from disease. Even healthy-looking fish from reputable dealers can carry parasites, bacterial infections, or viruses that show no symptoms until stress triggers an outbreak in your main pond.
Quarantine every new fish for a minimum of four weeks, watching carefully during the first two weeks when most problems surface. This waiting period isn’t just about spotting visible signs of illness like white spots, torn fins, or lethargy. You’re …










