I will accept the view of knowledgeable people. I have asked before how to test water and noone ever answered.It would have been nice if the knowlegeable people, who seem to read this forum, would have answered then.
I did not use the strips since I knew that you can't test water with it. It was a borrowed electronic tester, I can't remember if it had a brand name or not.
Since I have been very happy with the prill beads for the last 3 years and my well water tastes great I will keeping drinking it. And the toilet bowls without the stains are a sign for me that it is working.
For the rest I would say google prill beads and see what information you can find.
They actually say that the water should be higher than what my test said.