It's a sort of shelf for a jar, and for the digital thermometer. I kludged it together with two pegboard hooks and a couple hose clamps to hold it all in place. The jar holder says "NO DIVING", it's from the edge of an above-ground pool, a part that held the frame and liner together, bolted to the pegboard hook with a light fixture strap I had laying around. Now there is less to trip on or knock over.

I typically use this type of jar. The narrow mouth helps keep crap out, and makes it easier to pour into my gallon jugs (glass).

The output tube is not long:
