bart I have an idea for you to further your coticule research, or at least document what you already know. We do know that keeness decreases as a result of the concentration of slurry, however the relation is not linear. I think most people probably have trouble bridging the 2k-8k gap in slurry dilution phase. This is the coticules only real fault that I can discern, nothing is perfect. What I propose is you make a graph, starting with the thickest dryest slurry and move all the way to water. On this graph show a picture of your slurry along each step of the way and show how it relates to the keenness so beginners can see what to work towards. Just thought i would throw this out there.