Hey guys so I got my first hybrid 510 tube mod today and I am a bit reluctant to use one of my own RDA with the mech due to not knowing what is enough protrusion on the RDA . I want to use my medusa V1 with the tube mod so badly . I would like advice please guys. ( This is not my first mech mod. Just my first hybrid 510 mod ) 
Thanks in advance
		
	
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			Thanks in advance
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