Has anyone else had issues with the Maganus coil heads failing quickly? After about 3 days of use on the 0.2 ohm head at anywhere from 65-75 watts on the sigelei 150 my ohms started acting really unstable. It would go from 0.2 to 0.3 to 0.7 back to 0.2 and as high as 1.8. The wicking was still good and the coil is making solid contact with the positive pin on the base and I'm assuming to the 510 on the device because it still jumped when I attached it to my vaporshark rdna40. A buddy of mines also had the same issues with both his 0.2 and 0.5 coil heads after a few days of use on his sigelei 150 and IPV3. I'm wondering if it's just a bad batch. I have yet to take the head apart to see if there's anything strange going on in there.