We are a business that has gone through a hand full of aquarium management companies. We have promised clean and a healthy tank. None of that ever occurred until we went with Aquamoon. They are so far above in talent all the others, I can not begin to tell you. We have been with them for a few months now and my tank has never.....I mean never looked so good. Our fish also are healthy and are more active. I recommend them highly and you will know why if you use them.