dual extruder, prevent oozing

Hi,

I changing my printer to have an second hotend. Still not made any tests, but pretty sure i will have oozing problems.
found several solutions online, but the best one i think it will work to not have oozing of the hotend that is not in use is to lower is temperature.

I have checked the repetier online configurator and for each extruder is possible to add Select commands and Deselect commands. Can someone tell me if it is possible to use the 2 fields do add gcode that will lower 30ºC when an hotend is deselected and add 30ºC when selected?

If there a more easy way to do the same task?

You define this in your slicer. Slic3r can do it directly, for CuraEngine I use the tool change script. Kisslicer has also a option for this.

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