Algae

[DeepReef]

Thanks for accepting me to the group.

I have been experiencing some kind of algae for sometimes and its spreading all over the rock and My SPS , and its stripping them.
1- what kind of algae it is ?
2- Best way to tackle it.

Appreciate any advice

 

[WIReefer]

Welcome to R2R!!! What are your parameters? How long has tank been setup?

 

[DeepReef]

The tank has been running for about 3 years,
kh around 7
potassium 380
Mg 1310
calcium 380
phosphate 0.04
nitrate 0 , not ideal, got to get to bottom of it somehow!

 

[DeepReef]

Anyone any idea? Still struggling to fine the cause why do get this nasty stuff.