Posted: Sat Dec 13, 2008 3:22 pm
You can gently scrub it off with a cloth or a soft toothbrush. The key word is gently, since they can feel through their shell. A little bit of algae on the shell isn't a big deal, but if it accumulates too much it can prevent the shell from drying out completely.
Ralpheal, "The 'L' is silent."
Frankie, "Young at heart."