The pop-up drain assembly typically comes with your sink or can be purchased separately as a kit. To ensure a watertight seal, I'm applying a bead of silicone all around the drain pipe. Make sure to use 100% silicone and apply a generous bead before dropping the drain into the sink hole. If the clog is in a kitchen sink, lift out the removable basket strainer. If the clog is in a bathroom sink, remove the drain stopper. Try lifting it out or turning and lifting. Fill the sink bowl, tub, or shower pan with several inches of water. Adapt

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