Yocan Evolve Dual Quartz Coil is also known for its effectiveness whether its for thick or runny substances
After consistent usage, you will notice some concentrate residue. We recommend cleaning it off with an alcohol solution. I personally have used a dab of vodka or gin on some paper towel, and find it works great for a cheap and easy solution.
Replacing the coils is very easy. You just screw off the old one and screw on the new one.