How to Prevent Sink Clogs | Ask This Old House

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In this video, heating and plumbing expert Richard Trethewey shows host Kevin O’Connor how sink clogs usually form and how a few simple habits can prevent them. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse. Most sink clogs don’t happen overnight. Instead, they build slowly as grease, soap scum, hair, and debris collect inside the pipes. By the time water starts draining slowly, the buildup may already be significant. Looking for more step by step guidance on how to complete projects around the house? Join This Old House Insider to stream over 1,000 episodes commercial-free: https://bit.ly/2GPiYbH Want weekly tips, project guides, and behind-the-scenes content from the TOH crew? Sign up for our free newsletter here: https://www.thisoldhouse.com/pages/newsletters Plus, download our FREE app for full-episode streaming to your connected TV, phone or tablet: https://www.thisoldhouse.com/pages/streaming-app Where to find it? Drain Maintenance Enzymatic Cleaners Multi-Purpose Enzyme Cleaner [https://amzn.to/4pA5QXy] Adds beneficial bacteria to help break down organic material within drains and help deodorize. Use monthly or as directed by the manufacturer. Baking Soda [https://amzn.to/3NqwFjA] & Vinegar [https://amzn.to/49m4j2M] The small bubble reaction can help very minor buildups. Baking soda can help deodorize the drain. Use monthly. Drain Clog Prevention Tools Bathroom Sink Stopper w/ Removable Hair Catcher [https://amzn.to/4aWs9TS] Bathroom Hair Catc

Published 2026-03-28 · Watch on YouTube ↗
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