I've been using Safety Stop for all new fish purchases over the past two years. Here's a video showing the process.
I like that clip on air pump! Who makes it? I will need to buy a peacemaker soon!
I found that at Walmart in the sporting goods department. It uses a single D battery and is designed to aerate a bait bucket for fishermen.
I just used this exact technique to use safety stop. Only difference is I used my two little fishies veggie mag clip to hold the airstone at the bottom instead of a coffee mug, but same result! :-)
Great idea!!!