"Also when tightening the drip tip occasionally the coil assembly will turn and break the negative wire loose from the base contact. "
Yes,it's look like this:

BTW, the carto is still working w/o any problems(10 days of a heavy use) . No leaks or cracks.
Dekang and extra wick are seems a solution for the longer life of the C5+.
Yes,it's look like this:

BTW, the carto is still working w/o any problems(10 days of a heavy use) . No leaks or cracks.
Dekang and extra wick are seems a solution for the longer life of the C5+.