Quarantine Tank - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 3 Old 08-07-2012, 04:15 PM Thread Starter
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Quarantine Tank

After being burned by first callamous worms (a nightmare) and then ICK, I will now be using a quarantine tank for any new fish

My question is how does it work with a quarantine tank. I guess you need it cycled, so do most people have a tank always on standby, and how does it stay cycled if no fish in there

Don't want to get burned again...especially by the callamous, or nematode worms, or whatever the heck they are called

46 gallon tank

4 Lemon Tetras
5 Harlequin Tetras
3 Leopard Corys
3 Black Neon Tetras
3 Cherry Barbs
2 Khuli Loaches
3 Black Skirt Tetras
2 Green Emerald Catfish
1 Angel Fish
2 Twig Catfish (Farlowellas)
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post #2 of 3 Old 08-07-2012, 05:06 PM
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I leave my quarantine tanks (5) filled and running even when there aren't fish in them. I have snails in the tanks, and they maintain enough of a bioload that I never lose the cycle. The only time i remove QT media is if there's something really wrong - otherwise, each tank has it's own media that stays in the filter.

Some people like to play pass the media, where they have a rotation of media - One in the QT filter, one in a show tank (in reserve) and one dry. When the media is finished in the QT, it is taken out and dried, the media from the show tank moves to the QT and the dried media goes in the show tank, to be prepped for another round.

There are a dozen other ways to do it

125 - BGK, chanchito cichlid, pictus cats, silver dollars, palmas bichir
125 - cichlids (severums, bolivian rams, chocolate), rainbows ( turquoise, red), loaches (angelicus, zebra, kuhli and horseface), plecos (BN, RL and clown), denison barbs, tiretrack eel, pearl gouramis, betta
90 - Congo tetras, african knife, upside down cats, spotted ctenopoma, kribensis, delhezzi bichir
2.5 - betta
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post #3 of 3 Old 08-08-2012, 11:21 AM
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I also keep a 20g tank running permanently to use as a QT for new fish. I have a separate empty 10g that I use to isolate sick fish from my tanks for treatment if needed, so the 20g is just for new arrivals. And I too have recently introduced a couple of serious pathogens with what appeared to be perfectly healthy fish, so using a QT for new fish is a wise idea.

Mine has a sponge filter and heater, sand substrate, a couple bits of rock and one of wood, and spare plants including floating culled from my other tanks. This provides new fish with in my view a better environment than a bare tank. The fish remain in this tank for 3 to 4 weeks. This approach obviously means you need the space for a permanent tank, but this could be in the basement or wherever.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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