How to Use Your Eagle Ray Digital Water Testing Kit
Get the most from your Eagle Ray Digital Water Testing Kit with this easy-to-follow video guide. We walk you through each step so you can test your pool or spa water with confidence.
Acceptable Test Result Ranges
| Parameter | Acceptable Variation |
|---|---|
| Free Chlorine (FCL) | ±0.30 ppm |
| Total Chlorine (TCL) | ±0.30 ppm |
| Bromine (Br) | ±1 ppm |
| Cyanuric Acid (CyA) | ±40 ppm |
| Alkalinity (Alk) | ±50 ppm |
| Total Hardness (TH) | ±80 ppm |
| pH | ±0.4 |
Why Are Small Variations Normal?
Digital testers work by measuring light through your water sample and comparing it to calibrated values. Factors like lighting, test strip age, and even slight differences in water samples can create small variations. These tolerances are normal and expected in any digital testing system.
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