Today I received an online order of 10 assassin snails (to be distributed among our various tanks to help with pest snail problems), and a dozen rummynose tetras. Without thinking I tossed both snails and tetras into our 55 g QT tank. Now my husband and I are scratching our heads and wondering if quarantining the snails was necessary at best, or at worst putting the new tetras at risk of infection from anything the snails might pass on? Should we have QT'd them separately? We actually only have one QT tank, but for future reference if the answer is yes we will find a way.