I'm back, and just in time for Hu Tao's rerun! If you still don't know if HP or EM sands are best for your Hu Tao, give my method a try and let me know of your results!
You can find the charts and spreadsheets over this link:
https://docs.google.com/spreadsheets/...
Follow me on twitter for Genshin ramblings @ XYLabGI, and if you want to try other games, check out my team's games at entelekey.itch.io