With IT stuff going cheaper every day, there is no wonder that people started to find alternative uses for their old equipment, like offering it as a prize in blog contests. If you don’t know what to do with your ancient CRT monitor, here’s an idea: turn it into a fish tank. You won’t need any screen saver after that. How to do it? Instructables has a step-by-step, proven solution. Just check it out and enjoy! Ctrl+Alt+Del won’t have any effect on the fish, that’s a promise!