Probably a bad sign

[FourSwitch]

Just finished brewing a brown ale for competition, and i noticed throughout my recirculated mash that my mash tun outlet thermometer was getting more and more full of wort! check the pic!

has this ever happened to anyone else?

 

[singybrue]

I don't think that's what they mean by "directly measuring the temperature of the wort"!
Looks like it's time for a new thermometer.

 

[oldstyle69]

i have had it happen from the outside in, not the inside out. usually is water getting when soaking the pot after a bad boil over.

 

[jdlantian]

I took a sample (ball valve right below thermometer) while boiling because I screwed up boil volume on this barley wine, so I think somehow the wort condensation from the wort in the valve got in? I have a heat shield right below my ball valve, so the thermometer usually doesn't get too hot. Some of the wort dripped on the heat shield, creating a crusty mess.

 

[Bobby_M]

That thermo is defective. Bad weld.