So I've had my 125DT up and running for about two months now and I have no coraline algae growing anywhere. At first I didn't think I wanted it but now I do. The tank right now has no algae at all growing in it. This is due to my lawn mower blenny and a turbo twist UV light. Could the blenny and UV light be hindering the growth of coraline? Or is coraline algae a separate entity altogether? All parms are perfect. I don't have access to a magnesium test kit right now.