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💧 Dive into precision—keep your pool perfectly balanced with every test!
Phenol Red Rapid Dissolve Tablets provide fast, accurate pH testing for pools, spas, and hot tubs within a 6.8–8.4 range. Each pre-measured tablet is foil-packed for freshness and easy use, compatible with standard comparators and test kits. Designed for both professionals and pool owners, these tablets ensure reliable color change for precise water quality monitoring, enhancing chlorine effectiveness and swimmer comfort.











| ASIN | B0C6MWYDHS |
| Best Sellers Rank | 22,369 in Garden ( See Top 100 in Garden ) 53 in Pool & Hot Tub Testers |
| Brand | TEST ALL WATER |
| Country Of Origin | Germany |
| Customer Reviews | 4.8 out of 5 stars 8 Reviews |
| Manufacturer | Test All Water |
| Manufacturer Part Number | 511791BT |
| Material | Phenol Red |
| Material Type | Phenol Red |
| Model Number | 511791BT |
| Recommended Uses For Product | pH, Swimming Pool Water, Spa Water, Industrial Water |
| Recommended uses for product | pH, Swimming Pool Water, Spa Water, Industrial Water |
| Sterility Rating | 6.8-8.4 |
| Unit Count | 250.0 count |
| Unit count | 250.0 count |
| pH range | 6.8-8.4 |
M**L
Very good
Easy to use
Trustpilot
2 weeks ago
2 weeks ago