other ways to make CDS?

I have been making CDS the youtube way and am starting to make it for others. we have a lot of really sick people with Lyme, sometimes whole families who can't afford treatments.

I am happy making it according to Jim's youtube, but I am having a lot of trouble figuring out the strength.

Any suggestions for accurate PPM rating? I am nervous to give it to people unless i am certain of the strength.

Lots of threads about it in the CDS section on this forum.

You need chlorine dioxide testing strips.

They will test from 0-500, and what you should do is do an initial test of
1mL CDS to 9mL distilled water. If you get less than 500 on your testing strip, then you can multiply the amount by 10 to get your PPM/L

If you get more than 500 on your testing strip, then do a 1mL CDS to 19mL distilled water, get that number and multiply by 20.

We have 2 threads running now on this subject, and I'm going to combine them in a bit, in the CDS folder.