Clean your soldering iron: wet sponge or brass wool?

Xytronic Brass Wool Solder Tip Cleaner

Clean your soldering iron: wet sponge or brass wool?

How to clean, tin, and maintain soldering iron tip - Soldering

Soldering Tip Maintenance

Weller Soldering Brass Sponge Tip Cleaner (5-Piece) WLACCBS-02

Clean your soldering iron: wet sponge or brass wool?

Thick vs Thin Sponge for Soldering - Electrical Engineering Stack

Clean your soldering Iron: tip cleaner vs scouring pad

Kit includes Tip Cleaner and 3 Brass Coil refills Stainless Steel Case This cleans better than a wet sponge and won't reduce the tip temperature

Aoyue Brass Coils Soldering Iron Tip Cleaner with 3 Refills