Hello All, I have a question about getting rid of dinoflagellates and aquascaping my aquarium. A Little Background I have a 100 gallon aquarium that was given to my church in September 2010. It was originally purchased as a freshwater aquarium and was turned into a saltwater aquarium be the previous owner. When it was given to us it had two Marineland hang on back filters with bio-wheels. It came with sand, rocks, and fish. Since then I have added the sump and ...