As some of you may know, I brew small batches. When I originally decided to do so I bought a small 2 gallon Coleman Stacker cooler for use as a mash tun:
I have regrettably only been able to do one AG batch with it, but have done 4 test mashes (mash, no ferment) to try and dial it in. The first test mash efficiency was poor (~56%). I adjust my crush and stirred better for the second test mash and got it into the mid 60s for efficiency. By the time I brewed my small batch BDSA, I managed a respectable 74% efficiency.
One thing I didn't like about my original configuration was the steel braid configuration:
I decided last week that if time permitted I would change it out to a single outlet, short piece of braid. I removed the old setup and tried to brace the opening with a washer/PVC ring/smaller copper ring arrangement:
When it was all said and done I did not get the seal I wanted. I have not leak tested, but feel confident I'll need to remove the original rubber seal that came with the cooler and put something else there. Everything on:
Anyone know of something from the big box home improvement stores that I can use to make a better seal? Not sure if they carry the normal locknut/Oring setup common in homebrew equipment.
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