Hello I have a chiclid tank and just reciently my water has been green I have done tank changes I have also changed my filters and nothing seems to be helping. I have two filters on my tank and it is a 38 gallon tank. I also have put in carbon filters in both of them and also a filter to help with oder and discoloration in the water and still nothing. I don't have my tank in the direct sunlight and I am not sure what more to do to the tank. can you help me out...