User blog comment:Alanminibrewer/2 way valve for cleaning tube/@comment-45260482-20200430085714/@comment-62.251.119.39-20201219093352

Not sure the 2.5 liters make a huge difference. I simply suck on the left tube and a soon as the pump as the water flows I unplug the MiniBrew. Re-attach the black ball lock and plug the MiniBrew back in.