The adhesive used for EXTRA snow powders is very thin and water clear. It can be applied by:-
- Airbrush
- Trigger spray bottle
- Pump spray bottle
- Brush
Model images courtesy of Precision Ice and Snow
Instructions are available here.
You can also find YouTube videos here: https://www.youtube.com/channel/UCF298G1YWuEXHFq0fFWv-Aw/videos