Filling the Holes

With roughly 6400 holes to fill this is turning out to be quite a time consuming process. However after experimenting with a couple of ways of doing this, including a putty knife and a large catheter syringe, I have now come up with using old silicon tubes in a caulking gun. This is by far the best method so far and I can fill up to 430 holes with one 100/65 gram mix.