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How to keep a kitchen sink from clogging

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  • Sep 7th, 2021 12:40 am
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Aug 20, 2021
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How to keep a kitchen sink from clogging

My kitchen sink was clogged; I got a plumber to come in and he was able to unclog it with a snake. There was a lot of white grease on the snake as he took it out. The sink is draining well now, but he advised me to pour 1 litre of vinegar down the sink, let it sit overnight, then plug the sink, fill it up 3/4 full and remove the plug so the water flushes the vinegar all the way down the pipe. The vinegar should slowly eat away at the grease which is still in the pipe. I need to do this daily for the next month, and then periodically thereafter.

Aside from this, does anyone else have advise on periodic maintenance to keep a kitchen sink from clogging? Its something I didn't really think about much until the clog happened. I want to be proactive in not having it happen again.
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Dec 9, 2013
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Don't put any food or grease down the sink.

Put your grease in an empty can instead.
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Weird that a plumber is pushing home remedies.

You want to only send water and human biologicals down the drain, try to avoid long hair or grease or anything else such as sanitary products, wet wipes being a huge culprit.

Caustic cleaners work well but are hard on the plumbing, especially if you have any older metal in the lines, there are enzymatic cleaners you can use preventatively that are supposed to be pretty good, while i can't vouch for it personally Green Gobbler has a good reputation and may clean out remaining grease to get the lines fully cleaned if used a couple times.
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miscbrah1 wrote: Don't put any food or grease down the sink.

Put your grease in an empty can instead.
This.

Pour baking soda and vinegar monthly to keep it clean and fresh.

We cook lots as Asian, we put grease/fat in container then freeze up in freezer, then throw it out with weekly compost. We put bleach 3 times a year to all drains (showers and sinks).
Last edited by teoconca on Sep 4th, 2021 11:32 am, edited 2 times in total.
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i have a 35 year old house in mississauga...lived here 10 years...i'm about the 5th owner...previous owners were all different cultures/religions than I (based on neighbours).

this year my kitchen sink stopped draining...i took it all apart, cleaned it, snaked it etc. still no go.

Finally had to bit the bullet and call a plumber...my main pipe under the concrete floor was completely covered in grease/crud etc.

$1500 to pressure wash it out...and now it is working 100% again.
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Sep 22, 2009
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Just like everyone said, don't pour grease and fat down the drain!!!!

There are products you can buy from big box stores to clean drain pipes.
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ElBorak wrote: There was a lot of white grease on the snake as he took it out. The sink is draining well now, but he advised me to pour 1 litre of vinegar down the sink, let it sit overnight, then plug the sink, fill it up 3/4 full and remove the plug so the water flushes the vinegar all the way down the pipe. The vinegar should slowly eat away at the grease which is still in the pipe. I need to do this daily for the next month, and then periodically thereafter.

Aside from this, does anyone else have advise on periodic maintenance to keep a kitchen sink from clogging? Its something I didn't really think about much until the clog happened. I want to be proactive in not having it happen again.
Got a dishwasher? If so, use it. Heat (discharge water can be very hot) and abrasive nature of the detergent will help wash away the curdled fats in the pipes.
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miscbrah1 wrote: Don't put any food or grease down the sink.

Put your grease in an empty can instead.
100% this
teoconca wrote: This.

Pour baking soda and vinegar monthly to keep it clean and fresh.

We cook lots as Asian, we put grease/fat in container then freeze up in freezer, then throw it out with weekly compost. We put bleach 3 times a year to all drains (showers and sinks).
And this

# 1 - Don’t put grease down your pipes. Capture it, freeze it, and throw it in your GREEN BIN / Organics collection

# 2 - NEVER leave your kitchen sink drain open … keep your sink strainer plug in place always
Or better yet, buy one of these = https://www.amazon.com/OXO-Good-Grips-S ... B000U0K5PU

It’s silicone, so is super easy to clean … just pick it up by the centre handle, then turn inside out over your garbage can / kitchen green bin. And thereby also saving your nice clean regular sink plug for when you are doing dishes

# 3 - Vinegar & hot water … or vinegar and baking soda are a great way to clean a kitchen sink regularly.

# 4 - Nothing wrong with the occasional use of chemicals … we do a once around the house annually on all drains with Liquid Plumr or Drano
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PointsHubby wrote: # 2 - NEVER leave your kitchen sink drain open … keep your sink strainer plug in place always
Or better yet, buy one of these = https://www.amazon.com/OXO-Good-Grips-S ... B000U0K5PU

It’s silicone, so is super easy to clean … just pick it up by the centre handle, then turn inside out over your garbage can / kitchen green bin. And thereby also saving your nice clean regular sink plug for when you are doing dishes
Surprisingly, the plumber recommended the sink strainer which is sold at Dollarama for $1.25

https://www.dollarama.com/en-CA/p-sink-strainer/3022062

I was a bit nervous about protecting my kitchen sink with something so cheap, but he insisted it was the best sink strainer for kitchens.
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Just remember that kitchen sink drains don't clog by themselves.
Scrape your plates into the garbage can instead of rinsing them in the sink.
Preferably only the water from washing your dishes should go down the sink drain the same as only as only what your body discharges into the toilet along with the toilet paper should be flushed.
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ElBorak wrote: Surprisingly, the plumber recommended the sink strainer which is sold at Dollarama for $1.25

https://www.dollarama.com/en-CA/p-sink-strainer/3022062

I was a bit nervous about protecting my kitchen sink with something so cheap, but he insisted it was the best sink strainer for kitchens.
More expensive ones don't mean it does better than cheap ones from dollar stores. They are function same. Both are make in China. It is up to user on how to use it.
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You can also use a small dollarama plunger to clear the pipes, just be prepared for that white crap to come out into the sink


Quentin5 wrote: human biologicals down the drain, try to avoid long hair or grease or anything else such as sanitary products, wet wipes being a huge culprit.

You put human biological in your kitchen sink? Sanitary products? People do that?
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Gee wrote: You put human biological in your kitchen sink? Sanitary products? People do that?
Apparently Winking Face
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BDSL wrote: Just like everyone said, don't pour grease and fat down the drain!!!!

There are products you can buy from big box stores to clean drain pipes.
My wife and I are of course being really careful now about keeping grease, fat, anything oily from going into the kitchen sink, also making sure no solid foods go down the drain either. We scrape the solid food off our dishes into the the green bin garbage and wipe any oil with paper towels.

You mention products you can buy to clean drain pipes - you mean chemicals to pour down the drain, or some kind of snake? As I mentioned, the plumber used a snake to clear my drain, but it sure looked like a tool for professionals - it was 80 feet long and motorized, didn't look like something a regular guy would buy and keep around the house.

By the way, thanks everyone in this thread for their advice.
Last edited by ElBorak on Sep 5th, 2021 5:11 pm, edited 2 times in total.
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ElBorak wrote: Yuck.
Yeah so only use your toilet for its intended purpose and don't flush wet wipes, "flushable" wipes or sanitary products.
In fact in Rand McNally they wear hats on their feet and hamburgers eat people
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ElBorak wrote: My wife and I are of course being really careful now about keeping grease, fat, anything oily from going into the kitchen sink, also making sure no solid foods go down the drain either. We scrape the solid food off our dishes into the the green bin garbage and wipe any oil with paper towels.

You mention products you can buy to clean drain pipes - you mean chemicals to pour down the drain, or some kind of snake? As I mentioned, the plumber used a snake to clear my drain, but it sure looked like a tool for professionals - it was 80 feet long and motorized, didn't look like something a regular guy would buy and keep around the house.

By the way, thanks everyone in this thread for their advice.
An example of a product is called DRANO. There are a few types of DRANO. One type is for hair. Another type is for grease.
You can get a 12" snake. Or you can get a non-motorized 25ft snake (i.e you can find it at Princess Auto). Both, you can buy as a regular guy.
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Grease goes on the front lawn (the government area beside the curb).
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jdmfishingonly wrote: Grease goes on the front lawn (the government area beside the curb).
That may invite creatures to your front lawn, and may be to your house.
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miscbrah1 wrote: Don't put any food or grease down the sink.

Put your grease in an empty can instead.
Yup... End thread right here.

Don't put FOG down the drain.

F - Fat
O - Oil
G - Grease

It will either clog up your pipes or the city pipes.

ElBorak wrote: Surprisingly, the plumber recommended the sink strainer which is sold at Dollarama for $1.25

https://www.dollarama.com/en-CA/p-sink-strainer/3022062
And yes, use these to catch larger and smaller food bits. You should try not to wash anything down your drains other than soap & water.

After cooking, put the pot or pan aside (or pour it into a bowl/container) and as it cools any fat and grease will solidify, and then scrap/spoon it off and put into the green bin.
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