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1 Level
1288 Review
47 Karma

Review on Industrial Test Systems 480042 SenSafe John&#39 by Michael Nard

Revainrating 1 out of 5

We had super high rates so we tried several times.

They DO NOT work. We got super high readings so we tried deionized water several times (meaning there are no ions in the water meaning no copper can be present) and it showed the darkest colour, indicating the presence of 2mg/L.

Pros
  • Industrial & Scientific
Cons
  • No power