I was on cloud nine when my fish was pregnant I transfered it to a smaller tank with partitions but later other fish were pregnant too and I had many fries. the water got milky oneday and lots of fish started to die. then I transfered the fry ((( I mean ))) what was left to a much bigger new tank half filled with cycled water, new water and two live plants but they are still dying and I can't figure the reason could anyone help?