Poolmaster 22211 Smart Test 4-Way Pool and Spa Test Strips - 50ct
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- For maintaining healthy water chemistry in swimming pool or spa.
- contains 50 strips in easy-to-store container.
- Pool water tester analyzes four chemical factors.
- free chlorine, bromine, alkalinity and pH.
- Dip in pool or spa water for instant reading.
- no-bleed pads give accurate color reading.