How to DIY Counter Flow Wort Chiller

20' Long counter flow wort chiller
Material
20' 3/8" copper tubing
20' 5/8" ID garden hose
18" 1/2" copper pipe
2 - 1/2" tee
2 - 1/2x3/8" compression reducing coupling
15 tie wraps
4 hose clamps
Tools
Hacksaw
Metal file
Sandpaper (~100 grit)
Slot head screwdriver
Wrenches
Propane torch
Flux
Solder
Snips
Round yoga bolster :)