1/4" water injection lines

What's everyone using out there for 1/4" cooling line? I saw this high temp vacuum line from hps that might work. 13 bucks for 5 ft. Liked the fact you can get clear line. Also thought about just using cheap clear blue 1/4" fuel line that's used on jr. Dragsters, 7$ for 10 feet. Trying to set up an r&d dry pipe with 3 injection points
 
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