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🧪 ist 480042 sensafe john's test kit for industrial testing and measurements logo

🧪 IST 480042 SenSafe John's Test Kit for Industrial Testing and Measurements Review

3

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Average

Revainrating 3.5 out of 5  
Rating 
3.3
🔬 Substance Analysis Instrumentation, 🔍 Test, Measure & Inspect

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Reviews

Global ratings 3
  • 5
    1
  • 4
    1
  • 3
    0
  • 2
    0
  • 1
    1

Type of review

Revainrating 5 out of 5

Perfect for my hot tub!

Use this to check the copper, the measurements seem fine and let me adjust the water in the hot line accordingly. With a few test strips it should last a while.

Pros
  • Dope 🔥
Cons
  • Dear

Revainrating 1 out of 5

We had super high rates so we tried several times.

DOES 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 color, indicating the presence of 2 mg/L.

Pros
  • Easy to use
Cons
  • Quick start guide

Revainrating 4 out of 5

A note to spa users - unclear instructions

I am generally happy with the product but wanted to point out one thing that was unclear in the instructions. The instructions say to soak the strip for 15 seconds. in 75 degree water. When I first used the product I thought I would have to take a sample and wait for it to cool down to 75 degrees. After further research I found that the dive time depends on the water temperature and the manufacturer provides an instruction manual that states dive time as a function of temperature. For spa water

Pros
  • great product
Cons
  • something different