Posted: Mon Jan 16, 2006 10:10 pm
You can remove the algae on their shells using a soft bristled toothbrush and water from the tank. Algae in the tank is not harmful. I gave up trying to clean it a looong time ago

Turts will even eat it and that's ok too.
The things that come to those who wait may be the things that were left by those who got there first - Steven Tyler