You are downloading the ReefTankVids AppX file v188.8.131.52 for Windows Phone. ReefTankVids is a free and useful Books & Reference app: Some of the Best Reef info Videos you will find on the Web. How To's, Quick Tips, Product Reviews, Experimental, Expo and Events, Fish and ... You can now download the offline AppX file to install & try it.
Download Locations for ReefTankVids 184.108.40.206 AppX file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline ReefTankVids AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.