I bought a male anerythristic colombian back in mid March. When I got him I had to treat him for mites (all better now). But, he's having problems going potty. He's holding the the white stuff. It seems like I have to put him in a tub of 1/2" warm watter for a couple hours to get him to go. He always has fresh water and I feed him frozen thawed every week and half. Just wondering if anyone has had this same type of problem? And if so what do I need to do???