Off grid homestead uber nerd makes colloidal silver.

There are many elements to the spooky2 nanosilver generation. I'll provide a few links below.

Spooky2 source:
https://www.spooky2.com/

Spooky2 colloidal silver generator kit. Includes everything you need including generator, stir plate, cables and silver wire. All you add is distilled water and the mason jar.
https://www.spooky2-mall.com/product/spooky2-colloidal-silver-kit/

You can find a red laser pointer on Amazon.