Pregnancy spots and cycling tanks

Dec 5, 2011
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Walla Walla, Washington
#1
Hi, I have been catching little bits of information about pregnancy spots and cycling tanks, but I don't really understand either. When my Gold Dust Molly was pregnant, I saw spots, but they were the eyes of the fry, apparently.

I don't really understand cycling the tank, either. Throughout the forum, I have caught little bits and pieces of the story, but I only understand it a little bit. All I know is that you are supposed to get beneficial bacteria in the tank with a variety of ways.

If anyone knows anything about these things, please let me know. Any help would be great!