Quote:
Originally Posted by naesco
Kole tangs may appear to eat algae on the rocks but in order to thrive they require film algae as you have experienced. You can provide them with film algae by keeping the back of your tank 'dirty'.
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Why would the film that grows on rockwork be a different algae than on the glass? The same film covers everything but isn't too visible on the rocks if it's mature rock. My kole works the rockwork ALL day and only occasionally the glass. I'm thinking he's eating something worth all the effort =)
My kole seemed very happy in my 97 (36x24x26) but there's no denying the wy in which he moves around changed in the big tank. I suppose everything's relative but seems much happier.