Happy Hot Tubs Premium 4-way Test Strips offer a clear, concise and easy-to-read method of measuring the parameters in your swimming pool or hot tub. Each pot comes sealed at the top with 50 strips inside and a clear comparison chart on the back.
These test strips are great for salt system users (such as Hot Spring ACE or Hot Spring Freshwater Salt) as they contain the hardness reading.
These test strips test for:
| Test Parameter | Ideal Range |
| Free Chlorine |
1-3ppm for Pools 3-5ppm for Hot Tubs |
| Alkalinity | 80-120ppm |
| PH | 7.2 to 7.8 |
| Total Hardness |
25-75ppm for salt systems. 75-250ppm for non-salt systems. |
Made in the USA.
- Keep wet fingers out of the bottle.
- Close cap tightly after removing strip.
- Turn off jets and immerse strip to a depth of 15cm.
- For best results read in natural daylight.
- Immerse strip for 2 seconds, remove with pads facing up. shake once to remove excess water. Read immedialtey in the following order – FCl>Alk>PH>TH.
- Store in a cool, dry place.
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