04-10-2017, 07:40 PM
They look good for this application, actually. You COULD take some plaster and add it to any holes with your finger. Ad some, have a bucket of water ready, wet finger, and smooth it with the wet finger. Rewet as needed. Any ridges can be sanded down with a wet scrubby sponge.
As for soaking, Just want them wet. So, not long, just put them in the bucket, fill it, and start going to town.
WHY...otherwise the plaster absorbs the stain instantly and it gets solid and DARK. You want...