DetailsThe biggest size we carry! Use the 5000 ML flask for very large batches of beer. The correct sized stopper is available in the related products section on the left. This flask will take a medium universal stopper or a 46-60mm foam stopper.
Do not heat on stove-top electric burners - use gas burners only.
- Details & Instructions
Height 15.25" Diameter 9"
3.2 / 5.016 ReviewsThese work well for meI noticed that some of these reviews were several years old. I bought 2 of these a couple of months ago (Feb 2015) when I upgraded my system to 15 gal. I like to brew lagers so I need big starters. I have made 3 starters in each of these with a glass top stove. I have no problems boiling, moving straight to cooling water, and using my stir plates with these. I would recommend these to anyone that needs large starters and has a glass top stove.May 3, 2015lager startersFor lagers I need extra large starters. The flask is big enough to hold 4 liters and still have some head space to avoid a boil over. It fits on my Vortex stirplate, and meets my expectations.March 19, 2014This is one big flaskIt's just what I need for making very large starters for lagers or 10 gallon batches._x000D_I boil on a gas stove, then set it on a mat to cool for a spell, then place it in a sink of water to chill._x000D_I place it off center on my stir plate so the center isn't a problem.January 11, 2014Good size for lagers m but not well designedThe bottom has a bump so the stir bar will get thrown if centered. Its also not as thick as I'd like and it can break if you're not careful.November 24, 2013Giant flaskI need to make a lot of yeast for a 10 gallon lager and this flask is the only thing big enough. I boiled 5 liters of water in a pot, let it cool down in the sink, then poured it into the flask and added the stir bar and set it on the stir plate at high speed. I let it go for 1 week, then refrigerated it and decanted off 4 liters of spent wort, and pitched the last liter. I'd have preferred to prepare the starter inside the flask, but I was concerned it would crack on my gas stove.October 7, 2013for making lager startersThe flask doesn't seem as strong as the 2000ML flask so I boil the starter in a pot and add it with a funnel, then put it on a stir plate. For that its ok.August 30, 2013For LagersI got this flask to make starters for 10 gallon lagers, so I needed something really big. And big it is. I have a strong stir plate that can handle this volume. It's definitely not as strong as smaller flasks, so I prepare the starter mixture in a pot and pour in the boiling liquid into the flask to let it cool. Then II pitch the yeast.August 1, 2013Decent FlaskI didn't do much shopping around for flasks - and based on the reviews, I probably should have. I bought the flask as part of the yeast starter kit and I agree with some of the other reviewers: It feels very flimsy. I started to boil with it and became very nervous it would crack. After only using it twice, I also noticed it did have a few small scratches on the neck that may soon develop into an issue - I am not sure if this was from shipping or if I had bumped it. Either way, it looks worrisome. I will probably look into a smaller one sometime soon to seeJuly 23, 2013Big!I can make a large starter with this, it's perfect for lager starters which are at least 3 liters. I have a powerful stir plate that can handle this volume. I prepare my starter wort and pour it in, so its not subject to heating and cooling. Its held up so far, but doesn't seem as solid as my 2liter flask.July 8, 2013Not really suitableThe flask glass doesn't appear to be borosilicate so it's unusable on a gas stove._x000D_What I do is boil the starter in a pot, cool it, then pour it into this large flask and put it on the stir plate. The stir bar works, but the glass isn't good enough.April 10, 2013
- Customer Q&A