My hermits switch to every which ever shell laying around all the time. One of my electric blue-leg hermits changes shells about 4 times a week, he has 3 that he uses lol. Also one of my normal blue-leg hermits used a nassarius snail shell. I've seen them in everything so I think anything the right size that they will fit in would work. 
 
Chris 
		
	
		
		
		
		
			
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				No more tanks    - Laying off the ReefCrack for awhile! 
Cheers, 
Chris
			  
		
		
		
		
	
		
		
	
	
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