Quantity   Component name
2 × 5 gallon bucket
1 × 2 inch PVC pipe
1 × 1 inch ball valve
1 × 1/2 inch brass pipe fitting
2 × Electric kettle heating element
2 × Temperature sensor
1 × arduino or PID
1 × polyurethane foam sheet insulation
1 × duck tape
1 × 1/2 inch plastic tubing
3 × Glass jar w/ lid
1 × Steel wool
1 × silica balls