600mm (2 x 300mm) of 2.5mm diameter silver rods (certified to be honest 99.99% pure silver)
Thick 2.5mm rods give better results. Thin rods may be cheaper but the surface area is less, giving inferior results.
Our rods are stronger and last a very long time.
One essential step in the process of making quality Colloidal Silver or Nano Silver is to stir the solution. So this magnetic stirrer (lab stirrer) is just the right piece of equipment that you need for making the best quality Colloidal Silver or Nano Silver.