1 As you can see, the white bits of PVA have dried clear
2 I’m still experimenting with options here, mostly Contrasts; here I'm using Agrax which gives a good overall result.
Several other test pieces shown; if you want a more ‘solid’ colour use regular paints. You may need to thin them first.
3 Slosh it on with a big brush, don't worry if a few bits come off. Dislodge any particles that have ended up stuck to the model gently with a scalpel - usually underneath or on the legs.
4 Back under the curing lamp and do something else. Couple of hours is usually enough for this. In the winter you can pop them on top of a radiator in the transit tray. Note the visual depth the grit has acquired at Tabletop range.