have tried this slide cleaner and really dust and scratches (if they are not too deep) can use it to remove very well. Especially the scratches could for example not retouch to the extent Cyberview _with Brown SlideScan tested 4000. It is dramatically when the cleaner unit on the back of the slides / photos. Therefore, a point deduction, because you have already watch what you are doing. When used correctly, definitely recommended, finally, there are indeed often only individual slides or photo strips must be dealt with.
Recommendation: First Photo / slide scan for safety's sake, then deal with the Liqui-Jet and scan this again. Usually you can delete the first security scan after this comparison.