In order to repair a cartridge faucet, a crescent wrench and Allen wrench set are needed. Turn off the hot and cold water when repairing a cartridge faucet withhelp from a home repair specialist and remodeling contractor in this free video on home improvement and maintenance. Expert: Tim Gipson Contact: www.inhisstepsremodeling.com Bio: Tim Gipson is a home repair specialist and remodeling contractor in Franklin, Tenn. Filmmaker: Tim Brown