Pouring boiling water down the drain to unclog it most likely won't work. Sure, there's a very small chance it could loosen the clog, but there's a larger risk of softening or melting PVC joints.
It could take only the use of hot water to unclog a toilet, so it's well worth trying this easy method first. Heat water up in a kettle, but switch it off before it boils because boiling water could crack the toilet bowl, making the problem a whole lot worse.
We recommend you add a cup of baking soda to your blocked toilet and wait for some minutes. Next, pour two cups of vinegar slowly into the toilet. Vinegar and baking soda will typically react to form bubbles, so ensure you pour carefully and slowly to prevent the toilet water from overflowing or splashing.
Pouring boiling water is quite risky as it might lead to a steam burn or scalding. Another thing to keep in mind is what type of material you are pouring in into. If you have a porcelain sink, it is likely to crack due to the heat. All in all, pouring boiling water down your drain will only cause issues down the road.
For tough clogs, use a full cup. While that sits, bring a half pot of water (about 4 cups) to boil. Pour this directly into the drain very slowly but steadily to avoid getting burned by splashing water. Allow to sit for 10 to 15 minutes, then run water down the drain to check how freely water flows.
Caustic soda is a nasty chemical that can burn, but it's very effective for unclogging toilets. To use this chemical, you need to get some rubber gloves and eye protection. You can pick the chemical from the local hardware or grocery stores. Pour a ¾ gallon of cold water into a bucket, and add 3 cups of caustic soda.
Just as natural dish soap helps break down dirt, grease, and food that may be stuck on dishes and utensils, it can help break down what's in your toilet bowl. The important thing is to reach for a non toxic dish soap that, once it's flushed and enters the water supply, will be safe for animals and the planet.
The most common cause of a toilet that doesn't drain properly is simply that it's clogged, which itself can happen for any number of reasons. Typically, using a plunger is enough to dislodge the clog and allow the water to drain properly. If that doesn't work, you may be dealing with a different issue. Venting issues.
One of the most popular methods of unclogging a slow draining toilet is using hot water and liquid soap. Pour the boiling water into the bowl and then add the liquid soap. Let it sit for about 15 minutes before flushing.
Homemade drain cleaner can break up even the toughest clogs in your sink. Baking soda, vinegar and Dawn dish soap along with boiling water can safely unclog a drain.
Pour or squeeze ½ cup of Dawn® dish detergent down the drain. For a tougher clog, use 1 full cup. Let the detergent work its way down the drain for 30 minutes.
Once a week, flush your drain by boiling a large pot of water. Pour one-half of the pot down the drain. Wait five minutes and pour the rest. It's a simple thing that can help dislodge any grease or debris lurking in your drain.
Salt & hot water
While hot water can help loosen up debris, coarse salt actually scours the inside of your pipes, removing more material than hot water alone. After removing standing water from the sink, pour about half a cup of table salt down the drain before you pour in the hot water.
You might want to see if the clog works itself out in time. If you have another toilet you can use, let the clogged one set overnight. The water pressure that builds up in the bowl might actually cause the toilet to unclog itself. After a day's wait, flush the toilet again.
The most common causes for a slow-draining toilet are: A clog in the drain line. A blockage between the tank and bowl. Poor or Clogged Venting.
If you find that your toilet bowl still drains properly — but slowly — then the issue may lie in the jet holes that surround the rim of the toilet bowl. The build-up of sediments and minerals along the side of these holes can gradually reduce the water pressure released with each flush.
Bleach is an effective way to deal with blocked toilet drains as it is a dilute solution of sodium hypochlorite and also contains a high chlorine concentration. Using bleach by itself or mixing it with boiling water are effective ways to unclog a toilet.
Then pull up sharply to disturb the clog and loosen it. Continue vigorously pushing and pulling until the water begins to drain. It may take 15 to 20 cycles before the toilet unclogs. Be patient.
The longer you leave a clog, the more opportunities there are for the clog to get worse. The most water-soluble parts of the clog will dissolve, and the rest will fill in the gaps, making the clog worse. There is also the possibility that human error could come into play.