Prepay for CO2 tank swap for curbside pickup at Grains & Taps Home Brew Supply Store. Choose curbside pickup option at checkout. Bring your empty tank to the curbside pickup event. 

This is limited to the date of the curbside pickup event. If you are wanting to swap a CO2 tank on a different date you can do so at Grains & Taps Brewery and Taproom. Prepay for that option at this LINK.