Hello. I'm two days away from completing treatment on my tank for illness. I'm really wanting to get some new fish soon. My finances tell me to get 2 harlequin rasboras (giving me 8) instead of 3-5 panda cories (would give me 6-8). Can/should I even quarantine 2 rasboras? I've had really good luck with them so far without quarantine. I'm also assuming that I can't put more fish into the same quarantine when the first ones are say half done? Can I quarantine more than one species at once? I've read they should be from the same tank. Not sure how this works with PetSmart fish because they're in such small tanks, but it might all be under the same filtration? I don't know. How long should I wait after treatment to steal biomatrix beads from my AQ50 on that tank to start up an almost instant cycle in the AQ20, 10 gallon quarantine if I do quarantine something soon? Or can I just go with it? Also, does anyone quarantine snails?