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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