Am I Testing Chlorine Wrong?

Brisk

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Hi. I got the LaMotte Insta-Test Free & Total Chlorine test strips. I'm a bit confused if I'm reading the results right because my readings from the tap looks very similar to the readings after the DI. Am I reading the results wrong? I'm in NYC and they use chlorine.


Tap Water
20240427_133256.jpg



After DI (the angle of the photo taken made this photo look brighter, but off camera, the results were very similar in color)
20240427_133820.jpg
 

taricha

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strips might've gone bad? double check the directions?
I've used those and gotten sensible readings on tap water - a little free chlorine, more total chlorine (chloramine).
 

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