So I know not a lot of people on here know much about scorpions, but I have had a little on here before.

About 5 weeks ago, I bought my first scorpion (A Red Claw) and I placed him in a 20 gallon tank. He was great and fine the first week but during that week I thought "thats a big tank for one scorpion". So I bought another scorpion. It was another Red Claw and roughly the same size (slightly bigger). They almost immediately started fighting. i separated them and have them in separate tanks. The second one I got is doing fine. He is out every night, and eating well, drinking and all that fun stuff. but the first one I got is not so good. He dug a hole under a rock and hasn't come out for the past 4 weeks. He isn't eating, and his water bowl is untouched. Temps and humidity is all correct. He isn't dead, I watched a cockroach run into the hole and he moved half-way out. Is there anything I can do? The guys at the petstore said he might be shedding but its been 4 WEEKS!!!