Particle size and water quality

The discribtion how to make cs that came with my silver maker says that
NO salt should be used and that the particle size is depended on the
quality of the distiled water.
It says that when shining with a flashlight through the water while the
process is envolving one should see a GOLDEN coloured cloud. IF one sees a
SILVER or GREY colored cloud the water quality is not okay and the CS
should be trown away.

Question I tried the several brands of distiled water in HONG KONG and all
produce a SILVER GREY colored cloud. Any opinions. I can NOT use this CS??
what dies it mean when A GREY cloud is showing is the particle size BIGGER
or SMALLER than with a GOLDEN COLORED CLOUD ??

I have a virus so I need the smallest particle size possible

any idea's thanks much
joost hong kong