This book was rather short on facts and long on misinformation.

For instance, 10 ppm CS can be weak gold colored or strong gold
colored depending on speed and temperature of manufacture.   A fast
process yields less desirable large particles and darker shades of color.

A 2-amp generator sounds off-the-wall, considering only 1.5 mA
in 1 qt. pure distilled water over 4 hours at room temp is hard to beat.

Adding vitamin electrolytes is totally off-the-wall.

References to toxicity are also off-the-wall.   The LD50 of silver is
100 mg/kg.   In other words, there is almost nothing less toxic than
silver.

Long story short, this book indicates desperation of the first water.