No hon, the way the test works is "logarithmic" (I had to look that up to learn it, lol) which means that if you're 120, you're really 130. Everything goes up to the next full number.
The test tube only goes up to 100 actually. To obtain a higher read requires you to do a 1:1 pool water and tap water solution, then use that to perform the test and then double the results. I don't see a pool store taking the time to do this...they don't even go outside to read the results like one is supposed to. We just don't trust their testing.
I say use your new test kit and give it a whirl on that CYA test. If you need to do a dilution test, the directions are above
Maddie
The test tube only goes up to 100 actually. To obtain a higher read requires you to do a 1:1 pool water and tap water solution, then use that to perform the test and then double the results. I don't see a pool store taking the time to do this...they don't even go outside to read the results like one is supposed to. We just don't trust their testing.
I say use your new test kit and give it a whirl on that CYA test. If you need to do a dilution test, the directions are above
Maddie
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