This is my first post on any board so excuse me if I appear the novice that I am. I recently purchased a 1996 IP32 and just this week the water smells horrible (almost like black water). I'm assuming that I've developed some kind of bacteria in the tank. I was going to add a capfull of bleach for a day or so and then flush it out but have been told that bleach w

reaks havoc on an aluminum tank. I know that I can add a little hydrogen peroxide after I've stablized the tank but are there any ideas how to initially shock the bacteria away?