[Shop-talk] RTV Silicone

[Steven Trovato]

Interesting how the meaning of "old" changes as we get older.  They 
make an RTV for building/resealing an aquarium.  I would imagine that 
it would have to be free of toxic stuff so as not to poison the 
fish.  They do make a point of telling aquarists not to use "regular" 
RTV, only the aquarium stuff.  I'm not quite sure what the best 
solution for your Thermos is, but that might be a source of safer 
RTV.  And of course you have to decide how much trouble a 15 year old 
thermos is worth.

-Steve