[Best Schooling Fish for 15 Gallon Tank]

I still like Cardinal Tetras as a schooling fish...    They're peaceful and have small mouths so as not to be a danger to shrimp or other small tetras or guppies. Plus they're egg layers, so you don't have to worry about babies all over.

 

[Minimum setup for 10 gallon Quarantine tank Recommendations]

How do I find amounts/measurements of Cory's 3med quarantine liquids to use in a small quarantine tank?