Q.Cleaning Cuttings
With what can I (just a domestic gardener) clean pests from plant cuttings with an immersion dip.I think I saw that alcohol can be used but cant verify that. Fuchsia leaf gall mite is an especial problem Regards

Certified GKH Gardening Expert
For the gall mites, a miticide is appropriate. The article below explains how to treat a plant infested with fuchsia leaf gall mite. It also suggests replacing your stock with resistant varieties.
https://www.gardeningknowhow.com/ornamental/flowers/fuchsia/controlling-fuchsia-gall-mites.htm
Cuttings should be taken from healthy plants. If they have a pest or disease issue, that should be cleared up first. Dipping them in alcohol could kill the cuttings.
https://www.gardeningknowhow.com/plant-problems/weeds/using-alcohol-as-herbicide.htm