Coiling 6mm copper tube. WATER or SALT inside?

Over a year ago I got a message from NOBOX7 that he uses water to coil 6mm (1/4 ") tubes without collapsing the walls and I always wanted to test it. At last I got around to it and coiled a tube with water and it worked! It was very easy to get the water out - you just snip the ends off the tube! You can definitely coil a better looking coil with a salt filled tube, but not a better working one. www.distiller.co.nz

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