Poolmaster 23225 1/2-Ounce OTO and Phenol Red Replacement Indicator Solutions For Spa and Swimming Pool Water Testing
$11.17
- For maintaining proper water chemistry; Includes 1/2-ounce solutions of OTO and Phenol Red
- OTO tests for the Chlorine Level
- Phenol Red tests the pH level
- (Note: Phenol Red is not the same as Solution #2 Phenol Red – DO NOT interchange)
- Note: The #1 solution is sealed to comply with transportation regulations. No other solutions in this kit require sealed caps.
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