Slowly stop dosing (probidio is/may be your source) and get an algae scrubber
http://www.canreef.com/vbulletin/sho...t=86043&page=2
.
I just got one of these installed 9 days ago and it is already growing algae.
Its on 18 hrs lighting schedule
http://www.reefshops.com/algae-turf-...ts-filter.html
Mine is almost looks like that right now
http://www.reefshops.com/images/deta...222df23800.jpg
.
So the algae that grows on the turf scrubber is the algae that will Not grow in your display tank.
.