This Oto and Phenol Test Kit is perfect for indicating the level of Chlorine and pH level in your Swimming Pool or Spa.
1 x 5/8 Fl. Oz.(20mL) Orthotolidine Test Reagent
1 x 5/8 Fl. Oz.(20mL) Phenol Red Test Reagent
Enter Coupon Code 'SAVERIGHTNOW' or 'FREESHIP18' (USA ONLY) At Checkout For The Surprise Super Sale On Everything.
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