How long is your photo period and what type of lighting are you using? Improper or old lighting can aid in the algae growth as well. Since you only have a fish in the tank now and no coral, either shut the lights off until you algae clears, or only light the tank for a couple hours a day, If the tank is in a well lit room, your Koran won't mind the lights being off. If this doesn't work, I would think about setting up an emergency tank and putting the Koran in it. Then take everything covered in hair algae out of algae filled tank, and scrub the heck out of it. To long of a photo period can really make algae grow, and I don't think anything want's to eat all that crud. By the time they nip here and there at it, my guess would be like any other plant...it may stimulate more growth. Over feeding just aids it's growth as well. Also, are you being careful not to overfeed your Koran. Feed only what he eats. That means maybe sitting there and watching him consume his food a little bit at a time. What is the temperature of your tank? I would suggest keeping it at about 78 until you get this bloom under control. I hate to say it, but it sounds to me like you need to do a major scrub down of the live rock. Hair algae is very hard to stop once it takes hold, but if you're persistant....taking out a rock whenever you see it coming again, and scrubbing it like crazy.... may help you to keep it under control in the future. What do your water test numbers look like? There's no easy cure for hair algae, it's going to take some massive work. and you my friend have some work to do! Good luck!!
....Angel :angel2:
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