I can't do the fruit flies cause of the tank that they are in. It has a "open top" it is all ventilated. Here is a picName:  DSC02390.jpg
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Size:  76.8 KB I know that it is not big enough for them all but we plan to let some go eventually. Not sure when it is safe to do that though. I will try to keep using this thread it's just that I haven't been getting a whole lot of help. I get some answers but not all of them. I can't wait till I can help others. We are having such a great time learning and hope to help others.