So I'm thinking about possibly adding some male guppies to my 29g. Currently it sits at 74F, about 6.8-7 pH, KH 3-4, GH 7-8. All I have is 22-25 ember tetras who stay in the middle/lower area, 1 panda cory (getting 7-9 more once I find them), a mystery snail and two nerites.
So my 1st question...