Well the main tank, in 57g there used to be mass Mysids everywhere
. They however are a little more scare since the addition of my two FLATWORM EATERS (Yea!!! no more whining from me as they have been totally erradicated from my tank), which are my little 6-line and my Neon Dottyback
. The Mysids have also spread quite nicely in the 77g main tank as well.
But anywho if this stuff proves itself, I see no reason not to switch.