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Yes we have a Kole Tang, but he won't go anywhere near red hair algae. We just got done fighting a problem with this same algae. Cutting the light & feeding, a few big water changes and adding blue leg hermits seemed to work well. The algae is dying off now, you will know it will turn white, and...
Blue leg hermits do a decent job of helping get rid of red hair algae, that and your reduced feedings. You might try cutting down your light time too for a little bit.