So I have (i think i have) hair alage. Which appeared out of no where soon after I added a bit more sand to the display. I figured it came with it? it was live sand (from the sealed new bags). Im feeding the bare minimum (3 emerald cubes). I turn off lights for most of the day too. I turn them on for about 5-6 hours for the one coral that still alive. I did have nitrates before the alage appeared but none of this kind of algae. I figured that with the reduced feeding and less fish and less bioload over all it would go away, but it hasnt yet. I really don't want to spend any more -extra- money if i can help it but any ideas other than manually removing some here and there?