Roy Chang

Roy Chang published 1 application on Google Play, 23 people rated this app with an average rating of 4.91!

Water testing records by Roy ChangWater testing records

Rated 4.91(23) — Roy Chang

1. The app can record up to 25 water quality data,and show you the change of water quality by curve diagram.2. You'll get a warning as soon as the water quality data beyond the limits you set.3. You can record your fish,coral,and sea anemone by photograph

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