can someone help me with this

[wampuscat]

Does anyone know what this is and how to get rid of it?

http://s280.photobucket.com/albums/kk177/wampuscat/?action=view&current=MVI_1670.flv

 

[Swirlygig]

what the hell is that?

 

[cham]

It is hard to see with the actinics on but it looks to be either bacterial or algea. Either one it typically fueled by P04. I'd get your phosphates checked by a photometer and see where you are.

 

[mechinic]

`ya and try some chem clean on top of the photometer