{"product_id":"poolmaster-23225-oto-phenol-red-replacement-indicator-solutions-1-2-oz-for-spa-pool-testing","title":"Poolmaster 23225 OTO \u0026 Phenol Red Replacement Indicator Solutions – 1\/2 oz for Spa \u0026 Pool Testing","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eKeep pool and spa water balanced with Poolmaster’s replacement indicator solutions. This 1\/2-ounce kit focuses on two color-changing indicators that help translate chemistry into easy-to-interpret visuals, supporting you in deciding when to adjust sanitizer or pH between full tests.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/2-ounce OTO indicator solution for chlorine testing\u003c\/li\u003e\n  \u003cli\u003e1\/2-ounce Phenol Red indicator solution for pH testing\u003c\/li\u003e\n  \u003cli\u003eNotes on interchangeability and transport safety included with the kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCollect a clean water sample from the pool or spa in a test container.\u003c\/li\u003e\n  \u003cli\u003eAdd the OTO solution and compare the resulting color to your chlorine color chart.\u003c\/li\u003e\n  \u003cli\u003eAdd Phenol Red and compare the color to the pH reference guide.\u003c\/li\u003e\n  \u003cli\u003eConsult your chart or instructions to determine whether to adjust sanitizer or pH levels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePhenol Red in this kit is not the same as Solution #2 Phenol Red; do not interchange.\u003c\/li\u003e\n  \u003cli\u003eSolution #1 is shipped sealed to comply with transport regulations; other solutions generally do not require sealed caps.\u003c\/li\u003e\n  \u003cli\u003eSuitable for home maintenance, quick checks between more detailed tests, and routine water care routines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy choose Poolmaster\u003c\/h2\u003e\n\u003cp\u003ePoolmaster has a long-standing history dating back to 1958 as a trusted maker of aftermarket pool and spa products. Their commitment to quality, service, and reliability shines across multiple product lines, making maintenance tasks more approachable for everyday users. This kit aligns with that heritage by offering straightforward indicators designed for calm, confident water testing.\u003c\/p\u003e\n\n\u003ch3\u003eHelpful usage notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePair these indicators with your usual testing routine for a quick check between deeper analyses.\u003c\/li\u003e\n  \u003cli\u003eStore in a cool, dry place away from direct sunlight to preserve color accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the Poolmaster 23225 kit test?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Uses OTO to measure chlorine levels and Phenol Red to indicate pH in pool or spa water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the Phenol Red and OTO solutions interchangeable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Phenol Red in this kit differs from Solution #2 Phenol Red; interchange is not advised.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Poolmaster","offers":[{"title":"Default Title","offer_id":43988257112198,"sku":"B001E6URGG","price":15.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/poolmaster-23225-oto-phenol-red-indicator-bottles.jpg?v=1778843398","url":"https:\/\/patiozora.com\/products\/poolmaster-23225-oto-phenol-red-replacement-indicator-solutions-1-2-oz-for-spa-pool-testing","provider":"PatioZora","version":"1.0","type":"link"}