I've noticed that one of my red bettas has turned a lighter colour, the colour isnt as strong as it was before its turned more pink in places, I've treated her water with stresscoat when I change the water and she has a filter in the tank too, The tank is shared with my other red betta and she seems to be fine and alot more lively than the lighter one
Am I doing something wrong? should I taker her out?
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