Model # NP215
Alternate Part #'s 511242EACH, 82-128-1000, AQC511242A
AquaChek ® Yellow test strips test for free chlorine, pH, total alkalinity and cyanuric acid. One strip will provide all four test results in about 30 seconds. Get fast and accurate results without using a messy liquid test kit.
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It seems like I constantly have to add chlorine to my swimming pool. Every time I test my chlorine, it seems low (even a few hours after adding chlorine). What can I do?
I would first make sure that you are testing the total chlorine AND free chlorine. If they are not the same reading, you may have a chlorine lock. If the chlorine levels are the same, I would check the pH, alkalinity and cyanuric acid levels.
The colors on my test strip don't match what is on the chart. The chlorine is a very dark purple and everything else is lighter than the rest of the chart.
I just purchased these test strips from a pool store but I'm having a hard time telling the difference between the colors, is there something better?
(5 out of 5 stars) Test Strips
Reviewed By: John H. from Stuart, FL ()
Very helpful to check the basic chemistry of the pool. Helps to keep PH and other measures on the money. Easy to use and accurate - I take water samples to the pool stores to confirm. I am happy with this product.