I have a 30 gallon freshwater tank which, yesterday held 5 x albino cory, 6 x male Guppies, 1 x male Dwarf gourami, 2 x female dwarf gourami and 5 x Amano shrimps. Yesterday evening I added 2 more albino cories and 2 more amano shrimps. This morning I pruned my Cabomba plant and replanted the...