i just had the most brilliant idea: and i need to know what paint would adhere best to aluminum? i may use spray paint, if this is not a good idea let me know. here's some the general idea as to what i plan on doing because i have always liked fish, but not cleaning tanks:
painted aluminum sheet (small) + homemade fish magnets = message board for fishy thoughts
painted aluminum sheet (small) + homemade fish magnets = message board for fishy thoughts