Ok there is a 65 gallon tank at my job I'm here now it has african cichilds in it two huge red parrots nd a few other assotred cichild they set up this tank and didn't care for it to much now the water is green like swamp green it has a fluval 405 nd a aquaclear 110 running but the water stays green so I replaced the water about 3 days ago nd it turned green again I have no idea wut the problem is never seen this green water like this plz help