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143 Posts
i have 6 red tops in my tank with labs and jewels (jewels soon leaving the tank) my main concern is that when i got them about 3 weeks ago they all were nice and blue with the red top fin... now only one and some times 2 have this lovely color the rest have turned a very dark color almost dark enough to not be able to see there bars... the water parameters are all good and i stay on top of my water changes like clock work... any ideas??