I bought an inexpensive Nutmeg grater off a well known internet auction site. It produces the perfect powder and doesn’t make as much mess as scraping with a sharp blade
“The Works” sell a pack of neutral colours soft pastels which I have often thought would be an excellent selection of colours for weathering. They currently sell for £3 for 12.
That's a great tip, I've just started modelling again after 45 years, the hobby is getting very expensive and tips like this are great 👍found your channel this morning 👍😁