Frequently the removal of scaling on soldering tips proves to be quite a big issue with the help of the gek 10 soldering tip cleaning agent passive soldering tips and desoldering nozzles that no longer solder can be reactivated in the shortest amount of time the passive soldering tip or desoldering nozzle is simply held briefly on the yellow gek 10 hemisphere this cleans the soldering tip or desoldering nozzle and it can be coated in tin again it is possible to continue working normally