Used for making yeast starters. Borosilicate Glass flask, safe for use with gas stove top, there have been a few cracking issues with electric stove tops, especially the glass top type, user discretion applies.
Stopper and Airlock not included. Uses a #10 Drilled Stopper (occationally the neck sizes vary, if you are ordering a stopper with this we will check for fit and will substitute if needed).
Michael (verified owner) –
This flask is a piece of crap. It cracked instantly when I used it. Total Garbage.
Tom – Rebel Brewer –
Hi Michael, sorry to hear you had an issue with the flask, we’ve had pretty good luck with these flasks, but occasionally a faulty one does slip through QC. We will be happy to replace or refund the item for you, just let us know.
Shannon –
I love this flask. I nearly don’t use the 1000mL flasks I have any more. I have had two of them. One had a crack along the bottom eventually, but I’m pretty sure I set it down too hard. It certainly wasn’t instantly, but after much use. It wasn’t even a crack that led to a leak. I keep thinking I’m going to buy a second. If anyone is going to do a yeast stir plate set, I always tell them to upgrade to this flask instead of the 1000mL. Fewer issues with boil overs, room for growth, and you can easily get a 1L starter. Fantastic!