I've been making at least 10ppm CS now for 6 months - it seems to work brilliantly.
In previous threads I've stated where I bought the machine, and the aqwsafe bottled distilled water.
This link may be helpful to you all:
http://www.colloidalsilversecrets.blogspot.com/
They are very positive, and there is also a large manual to help you during your 'new beginnings'.
Save brown glass bottles - boil/sterilise naturally, tip up to dry off. Keep a clean kit handy (jug/funnel/brewing jar) and keep everything in a dark cupboard.
I found empty Grolsch bottles with their fantastic stoppers perfect, after being sterilised.
Good luck
