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#51
Thanks for the tip!
I think the koolance i showed is the most practical one because it include the compression fitting at each end which makes it compact. Its just its silver colored only...i can spray paint in black carefully, maybe.
Also since my Res Tank is at bottom i can move from its place and under a bucket i can unmount one of the compression fitting to drain. I will do that if i can find a discrete way to hide a valve.:)