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Old 03-22-2020, 01:02 PM   #1
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2011 30' International
Clermont , Florida
Join Date: Mar 2020
Posts: 1
Clogged bathroom sink

Bathroom sink in our Airstream International 30 is clogged. Is it ok to use Liquid Plumber? This sink empties into the black tank, we’ve tried baking soda and vinegar but the screw sink plug makes it tough to get the baking soda into the drain and almost impossible to get a drain snake into it. Would appreciate any advise.
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Old 03-22-2020, 01:04 PM   #2
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2012 25' FB International
Trent Woods , North Carolina
Join Date: May 2013
Posts: 3,121
Never a good idea! Take the plumbing apart under the sink and clean out the trap. If that is not it, you have an easier access for a snake.
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Old 03-22-2020, 02:37 PM   #3
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2018 30' Classic
Thousand Oaks , California
Join Date: Mar 2017
Posts: 1,210
Last time mine did that it was just hair trapped in the waterless trap. Dissembled and reassembled by hand. Super easy.

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Old 03-22-2020, 08:40 PM   #4
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2018 28' Flying Cloud
Chapin , South Carolina
Join Date: Aug 2018
Posts: 201
100% agree with above. P-trap under sink is very easy to remove by hand. Almost guarantee you will find a build up of hair/toothpaste/soap.
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