water and food

Question
I have 2 hermit crabs. And love them very much. But im not sure about something. Some websites say to give them fresh food and water EVERY day and other say once a week...which is it? Please help. I need to know.

Answer
It is suggested by the up to date current hermit crab sites, to offer food and water daily. Here is a checklist of items and what they are used for, to help you.
http://hermitcrabaddiction.net/forum/index.php?topic=427.0

And here is a site for safe and unsafe foods.
http://www.epicureanhermit.com/mambo/index.php