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RE: How do I fix a sudden leak under my kitchen sink if I can’t get a plumber to my home immediately?
The first priority is stopping the water flow: turn off the valve under the sink or the main water supply. Then, you can use a bucket or towels to catch drips and try a temporary seal — plumber’s tape or a rubber patch clamped over the leak can help hold it until a professional arrives. Avoid using the sink until it’s fixed.