Originally Posted by Hughjorgan9
One more thing…mine is a bit unique…I accidentally ordered the zinc in the 1/2 OD, so I had to use my hack saw to cut it in half…it gives it more surface area than the 3/8 OD…also, when you use the hacl saw to cut it, don’t file down the rough edge it makes, that makes a barb for the rubber hose to catch on so it won’t pull off…When I first read about this thing, Supra from MOS was going to charge me $65 US to make me one…my actual costs to make my own:
Zinc rod $5.86
Copper rod $7.73
rubber hose $7.00
about 30 minutes of labor
I have enough materials left over to make 2 or 3 more…