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Phosphate Test Strips - (50 count)
This bottle of phosphate test strips comes with 50 strips, 1 reusable viewing tube (used to conduct the test), and 1 comparison chart (to match the color seen in the tube).
![Complimentary with your spa](/help/img/spa-includes.jpg)
This bottle of phosphate test strips comes with 50 strips, 1 reusable viewing tube (used to conduct the test), and 1 comparison chart (to match the color seen in the tube).