Please help!! Algae taking over!

[mcdonnell1013]

Over the last few months this algae is taking over my live rock and acros. Having a hard time identifying what type and how to fix! Please help!

nitrate 4.02
Phos 15
Temp 78°
Salt 1.025
Ph 8.2
Ammonia 0
Nitrite 0
Alk 8.5
Calcium 430

 

[sixty_reefer]

Can you re test nitrates and phosphates? They just not possible