Carbonation

https://www.popsci.com/diy/article/2012-06/how-make-your-own-home-carbonation-system

Bookmarked Best Way to Refill SodaStream Bottles. Refilling …

Bookmarked A Maximalist’s Guide to Carbonated Cocktails | …

Bookmarked How To Carbonate Cocktails | Home Carbonation …

You need to find a welding shop to refill CO2. Maybe https://mckinneynyc.com/gases/homeowner-hobbyist/

Always carbonate cold liquids.