If you look at the site at reef cleaners it will show pictures and ways of getting rid of different algae. I have had
cyano (red slime) in one tank, I have red coraline in another tank, and in another tank I have red terf aglae, It is hard to tell what is going on in your tank without pictures. Red turf is bristle to the touch like steel wool.
Cyano isn't really an algae at all it is a bacteria and is slimy and will come off in sheets. Red coraline is a very hard algae that has to be scrapped to come of it is like it is part of the rock it isn't slimy or bristle like.
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