Hope that this leakage issue is resolved......I've been following this thread with interest with a view to shooting and home-processing more C-41 in the New Year. (Thanks to those taking the time to report their results with the kits.)
The Rollei approach looks ideal for small scale use, and, while I've used the Tetenal kits in the past with no problems, the Rollei version would seem to remove concerns about any possible issues with combined bleach fix. Is the Rollei kit actually made and packaged by Fuji themselves.?....IDK, but one might expect that Fuji have addressed any quality problems if they themselves have full control of the manufacture and packaging?