40 Gallon Tank Repurposes unused tanks, how big for QT?

Will a 20-gallon long aquarium be a good enough QT for my fish?

  • The 20 long will work find for a QT/Emergency Tank.

    Votes: 0 0.0%
  • For the fish you listed, you'll need at least the 40 gallon for QT/Meds.

    Votes: 1 33.3%
  • Honestly, the 10 gallon would do the job just fine.

    Votes: 0 0.0%
  • I'm sorry, did you say you're giving away free tanks and stuff?

    Votes: 2 66.7%

  • Total voters
    3

Chalupacabra

Active Member
Member
Messages
95
I thought I posted this a few days ago, but I can't find that post for the life of me. If this is a double post, sorry for doing so!

I recently downsized from multiple aquariums to 3 75 gallons and, while I intend to get rid of multiple aquariums, I would like to hold on to a 20 long, a 10 gallon, and a 40 breeder as I have all the needed equipment to run each of these should I choose to do so.

My intent is to set up one of them for a shrimp colony to breed shrimp for the 3 larger tanks, the second for a quarantine tank, and to store the 40 gallon unless (until?) I decide to set it up again.

I am concerned, however, that the 10 gallon, and even the 20 long, may not be large enough to accommodate some of the fish I keep. For incoming fish it's no big deal, as I don't tend to buy full-grown fish, but if I had to emergency quarantine a sick fish I'm not sure it would be large enough.

The larger fish I keep are fancy goldfish (Oranda, Calico, Telescope-Eye), Dojo loaches, Angelfish, and Pearl Gouramis (except for the goldfish and loaches in diffferent tanks, obviously ;)). I'm worried that the Angels and Loaches might struggle even short term in the 20 long.

Thoughts?
 

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All of these guys would fare a lot better in a 40, but the angels will probably need it due to their height and the goldfish due to waste.
 


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