Don’t justtest unclog your drains, keep them clear. After all, Liquid-Plumr® Maintenance® has been keeping pipes clear and clean for over 35 years.
All septic systems and pipes, including PVC, plastic, copper and old pipes.Shop now
How to Unclog Your Drain
Slowly pour 1/5 of the bottle (2 cups) down the drain.
Allow it to work for 15 minutes. For standing water, wait until the drain is clear.
Flush with hot tap water and you're done! Repeat regularly (at least monthly) to keep your drains clear.
For garbage disposals, follow the same directions and flush with the disposal running. Avoid all splashing.
All septic systems and pipes, including PVC, plastic, copper and old pipes.
Keep out of reach of children. Harmful if swallowed. Avoid splashing. Injures eyes, skin and mucous membranes on contact. Do not use with ammonia, toilet bowl cleaners or non–Liquid-Plumr clog removers, as splashing or the release of hazardous gases may occur. Clean up any spillage immediately.
What should be done if my problem gets worse after using this product?
We recommend trying Liquid-Plumr® Urgent Clear® for particularly stubborn clogs.
How long should I wait before flushing the drain with water?
Wait at least 15 minutes after pouring this product down the drain before flushing with water. If you have an especially slow drain, you can safely let the product sit overnight.
Will this product improve a slow drain?
Yes, this product is formulated to work effectively on slow drains. For particularly stubborn clogs, we recommend using Liquid-Plumr® Urgent Clear®.
How much of this product should I use per occasion?
For best results, we recommend using 1/2 of our 32-ounce bottle or 1/5 of our 80-ounce bottle for every clog problem.
Can I use this product in a drain that contains standing water?
Yes. This product is designed to pour through standing water. However, it is formulated to work most effectively on slow flowing drains. Therefore, for particularly stubborn clogs that cause standing water in drains, we recommend using Liquid-Plumr® Urgent Clear®. For particularly stubborn clogs, use Liquid-Plumr® Full Clog Destroyer™.
Is it safe to mix Liquid-Plumr® products with any other product?
No. Do not use Liquid-Plumr® products with ammonia, toilet bowl cleaners or other non–Liquid-Plumr® clog removers, as splashing or the release of hazardous gases may occur. We do not recommend using Liquid-Plumr® products with non–Liquid-Plumr® products. It is safe to use any Liquid-Plumr® product in the same drain.