Coraline Algae

[shah jahan]

hi again,
How to grow coraline algae . My life rock seems to fade its colour. ( 400 l water and 25 C water temperature , kH 12 )

 

[seffieuk]

What are your calcium amd Mag levels?

Seffie x

 

[rabbut]

And equally importantly if it's bleaching, Phosphate and Nitrate levels are?