Need help on my 180 Algee

[gandolf8]

Here are some pic.
Sal 1.025
Alk 10.2
Cal 450
Nit, Ammo, Pho are all 0
I am running GFO and Carbon
I do water changes ever 2 wks Also have Genesis water changer does 1 gal every 7 hrs. Tank is 6wks old do a full reinstall Any Ideas.
Also have a Tunze wave maker and 2 Hydor Koralia Evolution for flow.

 

[n8rad]

stop changing all the water and let it ride...6 weeks old is nothing and still new ;-)

 

[rpjaws74]

do you use the Red Sea salt mix? It always gave me algae problems for some reason

 

[gandolf8]

No I use Tropic Marin Also I dose with B-Ionic

 

[micahroy08]

That looks like cyanobacteria.. Only one thing gets rid of that and it's a couple doses of chemiclean. Do all the water changes and scrub what you want but once cyanobacteria are visibly growing it's too late.