Tortoise care

Question
We bought a Red Footed tortoise about a week ago at a new pet store in town.  The store gave us a lot of missinformation about the pet and we are seeking other help.  The tortoise does not seem to have eaten much of anything yet.  A couple of times it opened it's mouth and seemed to play with a piece.  (bananas, kiwi, grape, kale all chopped small)  Once I am sure he ate a few bites of bananas.  He will drink occasionally.  Mostly, he digs under the cypress mulch and sleeps.  A lot.  His shell measures about 2 to 2/2".  His house is about 3' x 18" with cypress mulch for bedding and 4 tropical plants at one end for shade.  We have a 60 watt UVB mercury vapor bulb keeping one end between 80 and 90 degrees.  The shade end stays about 75 degrees.  We are not sure how to control the humidity better.  It stays about 55% with the light on and goes up to about 70% with the light off.  He moves around quite well on the carpet when we take him out but usually just heads for something he can crawl under.  Today the weather was about 80 degrees so he went out in the yard where he ate several small bites of clover.  Should we be concerned about him not eating?  How can we provide better humidity in his area?  Thank you for any help you can give.

Answer
Not eating: Changes in habitat are usually upsetting to new animals. It often throws them off their grub for a week or three. As long as it is active, defecating OK, drinking, feels heavy, and struggles when picked up it is probably OK.

Make sure it has clean water, and give it a nice soak in warm water every few days. It will probably defecate in the soak.

Humidity: It is tough to offer good humidity AND ensure that it has fresh air. We usually have to enclose the pen and add some sort of mist or vapor source, like a plant or wicks, etc., then add heat. The problem of course is that closing up the tank creates a big pocket of stale, nasty air. Many keepers open the tank a bit and install an ultrasonic humidifier to 'pour' humid air into the warm end of the tank.

Now, from what you have told me...

1.) Too much fruit. Certainly, we offer more fruit to entice eating, but in the long haul try this diet: http://www.petdoc.ws/TortDiet.html

2.) Housing. Adult Red-foots need LOTS of space- 4'x8' is the usual recommendation. I'd at least double the current tank size. This also actually makes other cares easier.