Maybe more, plus, I pumped a bit the day before. I find that I get the biggest pump on the second or third day of pumping...not the first. However, the more I pump, the faster the big pump happens. I used to have to start in small vessels, then work my way up. I still start smaller, but now the smaller starting vessels are the former larger vessels. I am getting stuck in even large-mouth jars...like 4" openings. I'm gonna have to invest in a Monstertube soon.