products recommended on r/castironrestoration
Electrolysis Power Supply for Rust Remover for Metal – Gentle DIY for Cast Iron & Steel – Safe Rust Converter for Metal 12 Volt Power Supply with UL Certification by Hickory Summit
automotive

LONGWEI DC Power Supply Variable,30V 10A 4 Digital LED Display Adjustable Regulated Switching Power Supply Digital with Leads Power Cord Used for Spectrophotometer and lab Equipment Repair (Black)
tools

LONGWEI DC Power Supply Variable,0-30 V / 0-10 A LW-K3010D Adjustable Switching Regulated Power Supply Digital,with Alligator Leads US Power Cord Used for Spectrophotometer and lab Equipment Repair
tools
