build looks great but one thing that i must point out.

the tubes finish are dull! im a victim of that myself
but what ive tried and works is polishing the tubes
not really hard and is pretty simple to do.

with masterkleer tubing, i give it a nice blast of heat
with my heat gun and it makes it much softer and
smoother. probably dangerous but, i really need to look
up the max temp for those tubes lol

i think you need some tygon.. it would really make the
build, the dull tubes are killing it!