$3.20 at McmasterCarr for R-3603 Tygon in 1/8" wall 1/2" ID for comparison.
Interesting, Tygon makes a beverage grade with a "non-wetting surface", I wonder if this would remove a lot of friction? It does not state this property for the other grades.
Here's the exact specs,
Beverage
• Tygon Formulation: B-44-3
• Temperature Range: -49° to +165° F
• Color: Clear
• Durometer, Shore A: 63 (soft)
• Tensile Strength: 2300 psi
• Elongation: 410%
• Fittings: Barbed
Tubing is free of odors and tastes to maintain beverage purity. Featuring a nonwetting surface for complete drainage and flush cleaning
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