A quarantine tank must be tightly covered, and it should be separately serviced from the rest. No nets or instruments of any kind including fingers, thermometers, and siphons must be used in the tank without immediate and thorough washing, or, better still, sterilization in the case of instruments and nets. The best medium for sterilization is boiling water for half a minute or hot water (160°F.) for 5 to 10 minutes, which will kill most things that are undesirable.
Fishes newly received should remain in quarantine for at least 2 weeks, preferably 3 weeks if the temperature is not above 70°F. They should be carefully watched and any signs of disease treated immediately. Do not, on the other hand, treat without cause, as many treatments weaken the fishes and are harmful, although necessary for disease eradication. At the end of the quarantine period it is not advisable to put the new fishes into a community of others even then, for they are still likely to be carrying disease which they do not show but which others will contract.
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Aquarium Supply
