John Neuzil
Active member
When I go to the link you gave to the app it says already installed and here is the app info.Something is going on with the Google Play store. If you look at the HYDROS app page online, you can see the Google Playstore is showing the latest app available.
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HYDROS - Apps on Google Play
Control and monitor CoralVue HYDROS aquarium products from your mobile device.play.google.com

