I bought a vaporesso cascade tank which use the nrg coils, which are interchangeable with the smok baby beast tank coils. Vaporesso has a mesh nrg coil an I have been using the same coil for 8 weeks with no burnt taste, the flavor is great for a subohm tank and you can buy a pack of 3 for $13.00 on eBay. Now I vape at 55 to 60 watts and don’t use real sweet juice which helps the life span but I found the smok coils burn out twice as fast as vaporesso in the same tank. Try the nrg tank out they are not expensive around $25.