details are the same as before , been exposed to legeria , and the bubbles in tank might cause it , so i am trying to make the tank safer so i dont get sick again !
here is a good article to explain the benefits of having a UV sterilizer on your tank. Yes, they can be expensive ($100-300). But, they do an excellent job. You do have to replace the UV bulb every so often to keep it working at optimal levels.