200 Chlorine Test Strips for Food Service 0-500 ppm (Value Pack) - Bleach Sanitizer Test Strips Food Service - Sanitizer Testing Strip - Chlorine Tester - Restaurant Supplies

They work exactly as they are advertised.

I didn’t know the actual volume of our well. We are the third owner so I had to estimate everything by using these strips I could be sure I hit the sanitizer level I wanted of 100ppm. I used a well kit that has pellets and granular chlorine and that got me to around 25 but the color was almost 50 so I added an additional 2 quarts of chlorine liquid bleach circulated that through the well and house plumbing and tested the house again and I was at a very solid 100 ppm. We let that sit for about 20 hrs then started the flushing process. These also help you know when the chlorine is gone. I Don’t have a great sense of smell so these are a big help to be sure the chlorine isn’t still to high. If you don’t want to do all the math involved this is a simple way to make sure you have put enough sanitizer in your well and with 200 strips you can easily test all the locations to be sure it’s all out of your pipes.

Good good good!!!

Easy to use

This product worked well for testing water after shocking the well with bleach. Provided a good confirmation of the relative amount of bleach left in the plumbing after flushing the house. I will use these again.

I was very happy with this purchase, it is accurate enough in the range I use it for.

They do what they are suppose to do!

Functions as advertised

Recommended by our Health organization

Bought these because of the great price. Compared to other brands, the colour scale is not great. The colours for the different ppms are to close together. Pink, more pink, darker pink, purple etc. Other brands have more distinct colour so you can asses the chlorine levels way better. Overall, not bad but I don't think I'll buy these again.