I've had a green torch for over a year with about 9 heads. I'm losing a head today for some reason. Alk is about 8.5, salt is 1.025, and temp is 79. All the beginner parameters are 0. Nothing has changed in the tank. . It has a little bit of brown on it, but I'm not gonna diagnose it as bjd yet. What would cause a head to die out of the blue?
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