You can check out these articles for some more information. I'm running ozone on my tank and have noticed more water clarity and less algae to clean on the glass.
To run ozone effectively and safely you should use a skimmer or an ozone reactor (not many to choose from) a controller, an air dryer, air pump, and carbon filtration on the water and air outputs.
ORP and the Reef Aquarium
Ozone and the Reef Aquarium Part I
Ozoneand the Reef Aquarium Part II: Equipment and Safety
Ozone and the Reef Aquarium Part III: Changes in a Reef Aquarium Upon Initiating Ozone