Photosenthic corals

[rusty hannon]

does anyone know if the use.even seldom, thanks all.Rof phosban has any affect on photosynthic corals. if my phos. starts to rise i use a little and my photosynthic corals act as they dont like it which im sure that none do but does it effect them differently than my others.

 

[rusty hannon]

does anyone know if the use.even seldom, thanks all.Rof phosban has any affect on photosynthic corals. if my phos. starts to rise i use a little and my photosynthic corals act as they dont like it which im sure that none do but does it effect them differently than my others.

sorry computr messed up or i did

 

[rusty hannon]

Does the use of PhosBan effect photosynthetic corals in a negative way?