Fuse keeps blowing on a specific circuit

A fuse that blows repeatedly on the same circuit means something is actually drawing too much current, not a 'weak' fuse — replacing with a higher amp fuse to stop it from blowing is genuinely dangerous and a common cause of wiring fires. Figure out what's actually on that circuit and whether it's an added load, a chafed wire shorting to ground, or a failing component before doing anything else. What's on that circuit, and did anything change recently before it started blowing?