Thread: Can't get a slurry with my Belgian Coticule

It might have something to do with the hardness of your stone. My coticule is fairly hard and barely releases any slurry no matter what. It's just the way it is.

Originally Posted by Ryan82

It might have something to do with the hardness of your stone. My coticule is fairly hard and barely releases any slurry no matter what. It's just the way it is.

... and if it is a very hard stone, that's a good thing, it might be a very fine finisher.

Other than that I can only agree with the "synthetic way" would get you going faster.

if you do have a very hard coticule, start with very little water then as you build slurry it'll get easier to make more

Make sure slurry stone edges are rounded and raise stone slightly rubbing on the rounded edge. You can find the high spots on the coti where there is a lack of suction when slurry stone is flat. Also don't add anymore water to stone until slurry appears and starts to become creamy, keep preasure moderate but not to much or could damage hone surface. Stop and dilute to suit purpose. Remeber after lapping on DMT to lap with another coti if possible to smooth down the surface.

I like to raise a slurry with the DMT as Deckard mentions and return the coticule to the dmt every so often to refresh the surface and pick up more slurry using only a few circles.

Wondering if you got your answer already?
Well I'm new here but I have been trolling for a few years. I would bet on that coticule hone being the harder side of the Les Latneuses vein. Which I believe usually are backed by slate. It's a good stone. I would suggest getting one or two different slurry stones. Many coticules can look identical but work in completely different ways. Keep trying. I'm sure it's hellova hone. A very fine slurry is actually a good thing in my books. Sorta like going from an 8k slurry stone to a 10k from a harder slurry stone and finish on water with a 12k Hard glass like coticule. I believe that's why jnats have become so popular. Same concept so it seems.

I been through 7 coticule stones. Only two of which I really like. La Veinette and a La Dressante veins. out of the few different slurry stones, I have the one that stands out. It's from the faster hybrid side of the Les Latneuses. The faster les lat slurry cuts fast on the hard slow La Dressante. After that I flip the slurry stone to the hard hybrid side and make slurry from the La Dressante hone. Like moving up the grit chart. Finish on water and hit the strop for a couple minutes or so. I really doubt I could find a better shave... It took me about 3 years to learn how to use these. That Dressante was actually my first coticule. I went through a few more without knowing I already had what I wanted to begin with. A good quality hone. Patience and lots of practice. Lots of reading. One good tip I picked up from another member long ago, not sure who....try and not count how many strokes or passes you make. Feel the hone.
Anyways I'll quit rambling. Thought I could share some experiences with you.

Originally Posted by thebigspendur

You can soak a coticule for 100 years and it won't make a bit of difference. It's not a porous rock. I don't think I'd use a coticule for heavy work. It's a finisher.

Agreed.. if it's a natural combo. Soaking a Coti glued to a backer leaves you vulnerable to the two stones separating.