John,

I've quit using them altogether----I tried the freezing routine--glue set up in the tubes most of the time --still soft but too thick to move out of tube---

Tried the toothbrush routine---pain in the butt---and waste of time--it did work but I'm impatient and have better things to do, I guess....

tried soaking......still had residue to clean off before reusing...

Found out that the mixing wasn't always 50-50 and some times left mixture that wouldn't properly setup.

I also didn't like the waste of glue left over in the nozzle that is not used--this stuff is expensive....tricky idea and sometimes useful , but helps with the replacement marketing, as you can use it up faster if you waste some.....

So now I mix it just like I do with regular epoxy--in a cup or on a pad and apply it with various sized probes, sticks, pins, blades or whatever suits my fancy.......and it works just fine and -----no cleanup.....

But....this is great stuff.. I use it on just about everything anymore