2 MORE POINTS ABOUT USING METERS TO MEASURE COLLOIDAL SILVER ....
1: Meters can only measure the dissolved (ionic) silver. The saturation point of dissolved silver in pure water is usually about 20 to 30 ppm. (It varies with water quality and temperature). Above this saturation point the ionic silver combines to form solid particles that are not measurable by the meter. This means that no matter how long you continue to run the generator, the meter will usually not indicate an ionic silver ppm higher than about 20 to 30 ppm. So if the generator is running, but the meter reading stops rising, it means the silver water has reached its saturation point. From that point onwards, all the meter is telling you is that the actual ppm is ‘somewhere above’ the figure being displayed on the meter, it does not mean that the generator has stopped dissolving silver into the water or that the total ppm has stopped rising. (The total ppm is the sum of the dissolved silver ppm and the silver particles ppm.). Regardless of what the meter says, any generator is always raising the total ppm of the colloidal silver for as long as power is supplied to the electrodes. Furthermore, the ppm reading on the meter can even appear to go DOWN as you dissolve more and more silver into the water. This is because the silver that had previously been dissolved now begins to combine with the ever increasing number of particles in the batch.
(Producing CS above the saturation point can be useful but is problematic. The silver water may be slightly coloured and it will not store as well, thats why the auto-shutoff mode of the Silver Well is automatically set to switch off at about 12 ppm, comfortably below the saturation point. This is safe and effective for human consumption and it stores well. In manual mode you can run the Silver Well to produce colloidal silver with a total ppm as high as you like. This is ideal for topical applications, gels, and diluting in larger water storages. (Most 'bought' colloidal silver is bottled at well below 15 ppm. This affords it a long shelf life but in my opinion it is often too weak to be very effective). )
2: For two reasons all meters are completely useless for determining the ppm of silver in impure water. Firstly, in impure water the silver ions immediately combine with other ions and impurities to form particles that are not detectable by the meter. And secondly, the meter can't determine between different types of ions so it will simply measure all the ions in the water, silver and otherwise. So if you wish to use a meter to measure your home-made colloidal silver you must start with pure water (below about 2 ppm).