I just got a 20 gallon tank, set up on May 7, 2010.
I introduced 4 Giant Danios on May 13, 2010.
Tank was cloudy 2 days after set up 5-9, till about the 15th. Now it is clear as a bell.
3 of the 4 Danios have reddish color on underside & in lower fins and tail. That are Active and show no...