So a few years back I bit the bullet as I was sick of attempting to get PG and VG out of the 25 litre bottles so I bought a couple of metered peristaltic pumps they work awesomely.
I made a little cabinet with sliding drawer shelves to help me get the bottles in and out when they need a change. Jump forward to now and I put casters on the cabinet JIC I wanted to move it around, as a result,
it developed a wobble so I welded up a new version.
In case you were wondering (you probably were not but … ) the blue mat under the VG is a brewers heat pad that keeps the VG at a static temperature so the metering pump is more accurate.
What your doing with the heat pad reminded me of how the metered engine oil pump, from a 55gal. drum, was inaccurate in the cold garage during winter oil changes of the trucks I used to drive, and do maintenance on.
without the metered pumps it is still faster to throw the heat pad under it and thin it a little so the tap actually pours at a decent speed. Aeroflow Taps are a lot faster than the normal ones (the little air tube helps heaps)
Here you go @whthek 3m25s you will never get back lol
Please just skip thru it it is pretty mundane.
In case you were wondering the grey stick in the mix when it is on the heat pad is a temp probe it is accurate to about 0.5c and controls the heating really well.
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