I only do a quick test with a pinch of salt into a clear glass with about an inch of CS in it. If it turns cloudy within a couple minutes I know there's Ionic Silver present.
I've done the same with MesoSilver & the time it takes to become cloudy is about the same. From this I conclude there's little difference between what I make & what Meso makes so long as I stop the electrolysis long before the distilled water starts to become a whitish cloudy, in which case if that happens it will soon turn yellow from agglomeration, not what you want.
I start with 3 batteries & drop to 1 battery just as soon as I see the first streamer sinking to the bottom of the glass within about 15 minutes. This drops the current flow preventing large silver particles from forming. I hand stir every couple of minutes to break up streamers as they form & sink toward the bottom of the 8 ounce drinking glass I use. Usually takes about an hour for an 8 ounce glass, depends on how fresh the batteries are.
I had to make a few batches before I got the length of time just right so I could stop the process before agglomeration of large nano-particles begins to occur turning the water to a whitish cloudy color, this which eventually would become yellow soon after stopping electrolysis, no good for drinking as far as I'm concerned.