Any way to see if my beer fermented?

[MWink]

Brew day was a fiasco and my beer has been in the fermenter for a few weeks now but I’m concerned it didn’t ferment.
1. Mash temp was low, heated it up, thermometer stuck and it overheated. I cooled it with ice.
2. Iodine tests were hit and miss so I added some additional base malt in an attempt to reintroduce some of the enzymes and brought it back to temp and mashed for 60 minutes more.
3. Forgot my OG reading in the midst of all of this.
Now I’m trying to determine if I got fermentation and how much. Any ideas?

 

[GoeHaarden]

Take a gravity reading!?

 

[bleme]

Since you don't know the OG, you won't be able to tell what your ABV is but you can still check to see if there is a krausen ring and get a current hydrometer reading.

 

[Shawn3997]

Does it taste like beer?

 

[tgolanos]

Take a sniff of your fermenter. If you smell CO2, you got fermentation. Then, take a gravity reading like Goehaarden suggested. Since you don't know OG, you can't get an accurate ABV number, but you should be able to tell if your beer fermented. You should have a reading in the 1.01x range if it's finished.

You could also plug your recipe into a calculator like Brewers Friend and estimate the OG and go from there.

 

[Lefou]

Signs of active fermentation should be fairly visible if a successful conversion was done. If the mash had only a partial conversion there will be little evidence of healthy yeast activity and a good chance the wort will end up soured.

 

[JohnSand]

You can also taste it.

 

[MWink]

Thanks for all of the replies. I’m pretty sure I got something judging