The answer to 'supply line clogged' is that a clogged supply line is a common plumbing issue that can be caused by a buildup of mineral deposits, debris, or a kink in the line. Symptoms include low water pressure, dripping faucets, or even a complete loss of water flow. To solve this problem, you can try to clear the clog yourself, but if that doesn't work, it's best to call a professional plumber.
If the clog is in an accessible area, you can try using a plumber's snake or auger to dislodge the blockage. However, if the clog is in a hard-to-reach area or the problem persists, it's best to call in a professional plumber. They have the tools and expertise to properly diagnose and fix the issue without causing further damage to your plumbing system.