Phenol Red tablets - Ph Test Tablets
Your pool or spa water should be kept between 7.2 - 7.8. Improper pH balance is a common cause of many pool problems. Use this product for pH testing with the Relax Chlorine and PH Test Kit.
Your pool or spa water should be kept between 7.2 - 7.8. Improper pH balance is a common cause of many pool problems. Use this product for pH testing with the Relax Chlorine and PH Test Kit.
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| Products categories | Chemicals, Pool Safety, Chlorine, Non-Chlorine, Spa Water |