Hi normally i don't post but personally i would say these are good signs, the yellow colour i would say is due to slightly larger particles and slight oxidation causing reflections from light. The fact that there is no black residue would to me indicate a cleaner, less oxidised process, the fact we see the laser beam is because of refraction & reflection of the beam off of the silver, the wideer or more visible the beam, the higher the particle density and probably smaller particle size (which would also effect the wavelength, and there by colour you see, or don't see refracted in the colloid. If i am wrong please someone put me right. Open to ideas.

On 20 July 2020 12:12:49 pm Ode Coyote <[email protected]> wrote:
How long is it taking to run a 10 PPM batch?

On Sun, Jul 19, 2020 at 10:46 AM PT Ferrance <[email protected]> wrote:
Hi, Lately I've noticed that when I clean my rods with a paper towel nothing comes off of them. Also no black speckles in the eis and no light yellow color. Laser shows a wider line and can almost see speckles in the line... not the nice tight line I used to get from my silver puppy.

Any ideas how to get things back to normal?
Thanks.
PT