This Oto and Phenol Test Kit is perfect for indicating the level of Chlorine and pH level in your Swimming Pool or Spa.
Easy to read color charts
Simple instructions and easy operation
1 x 1/2 Fl. Oz.(14mL) Orthotolidine Test Reagent
1 x 1/2 Fl. Oz.(14mL) Phenol Red Test Reagent
1 x Chemical Level Indicator
1 x Blue Case
1 x Manual
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