The Black crap in a coil (1") works great. It travels 50' to my shed and you can buy a 100' roll for 60$ SO................ I ran another one for water TO my shed/shop.
IDK the colors, but get 1" ID and use the thicker crap (there is thin and thick). Plastic NEVER wears out, hence the reason everyone is switching over to "PEX" in allot of new home buildings. A similar material is used for radiant heat and then encased in insulution (for that purpose, or covered with concrete.
I have 125PSI in my basement everytime I flip the valve 
To each their own...
All our government does is distract us while they steal from us, misspend our tax $ and ruin our country