Originally Posted by
rge
Whether you use barbs with clamps or compression fittings, over time the tubing will be compressed, and allow further tightening. I dont know if its necessary to tighten any further, and I dont, just an observation.
I use 3/8 5/8 ie thicker tubing with compression fittings for quite a while, and all of mine are always tightened all the way down, and none of mine have cut into tubing...maybe with the thinner wall tubing its a concern, or maybe depends on the particular brand of compression fittings. I can tighten most of mine all the way down by hand, but it gets tiring, so I use rubber tipped pliers and just tighten all way down. On other side, may not be necessary, but I have never had any leaks, so will continue to do it that way.
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