Substrates
I have been spending a lot of time researching substrates and needless to say i've got questions. First a little info: I will be changing over my 55g to a 75g (48"x 18" footprint). The tank now contains hundreds of cherry shrimp, 7 Amano shrimp, 7 pygmy corys, 1 oto, 1 galaxy rasbora, 1...